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This is the 4.19.116 stable release
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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commit 1db56284b9da9056093681f28db48a09a243274b upstream.
disable_irqs() was mistakenly disabling all interrupts when called.
This cause all port stream to stop even if only stopping one of them.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f1a64f56663e9d03e509439016dcbddd0166b2da ]
From the measured hardware signal, OV5695 reset pin goes high for a
short period of time during boot-up. From the sensor specification, the
reset pin is active low and the DT binding defines the pin as active
low, which means that the values set by the driver are inverted and thus
the value requested in probe ends up high.
Fix it by changing probe to request the reset GPIO initialized to high,
which makes the initial state of the physical signal low.
In addition, DOVDD rising must occur before DVDD rising from spec., but
regulator_bulk_enable() API enables all the regulators asynchronously.
Use an explicit loops of regulator_enable() instead.
For power off sequence, it is required that DVDD falls first. Given the
bulk API does not give any guarantee about the order of regulators,
change the driver to use regulator_disable() instead.
The sensor also requires a delay between reset high and first I2C
transaction, which was assumed to be 8192 XVCLK cycles, but 1ms is
recommended by the vendor. Fix this as well.
Signed-off-by: Dongchun Zhu <dongchun.zhu@mediatek.com>
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 64d4fc9926f09861a35d8f0f7d81f056e6d5af7b ]
Fix build fault when CONFIG_HWMON is a module, and CONFIG_VIDEO_I2C
as builtin. This is due to 'imply hwmon' in the respective Kconfig.
Issue build log:
ld: drivers/media/i2c/video-i2c.o: in function `amg88xx_hwmon_init':
video-i2c.c:(.text+0x2e1): undefined reference to `devm_hwmon_device_register_with_info
Cc: rdunlap@infradead.org
Fixes: acbea6798955 (media: video-i2c: add hwmon support for amg88xx)
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c50cc6dc6c48300af63a6fbc71b647053c15fc80 ]
Some older MSM8916 Venus firmware versions also seem to indicate
support for encoding HEVC, even though they really can't.
This will lead to errors later because hfi_session_init() fails
in this case.
HEVC is already ignored for "dec_codecs", so add the same for
"enc_codecs" to make these old firmware versions work correctly.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 4.19.115 stable release
# gpg: Signature made Mon 13 Apr 2020 07:08:05 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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This is the 4.19.114 stable release
# gpg: Signature made Thu 02 Apr 2020 09:28:25 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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commit 5c4c8b4a999019f19e770cb55cbacb89c95897bd upstream.
The IR signal to control the Panasonic ACXA75C00600 air conditioner has
439 pulse/spaces. Increase limit to make it possible to transmit signal.
Reported-by: Takashi Kanamaru <neuralassembly@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a246b4d547708f33ff4d4b9a7a5dbac741dc89d8 upstream.
Make sure to check that we have two alternate settings and at least one
endpoint before accessing the second altsetting structure and
dereferencing the endpoint arrays.
This specifically avoids dereferencing NULL-pointers or corrupting
memory when a device does not have the expected descriptors.
Note that the sanity check in cit_get_packet_size() is not redundant as
the driver is mixing looking up altsettings by index and by number,
which may not coincide.
Fixes: 659fefa0eb17 ("V4L/DVB: gspca_xirlink_cit: Add support for camera with a bcd version of 0.01")
Fixes: 59f8b0bf3c12 ("V4L/DVB: gspca_xirlink_cit: support bandwidth changing for devices with 1 alt setting")
Cc: stable <stable@vger.kernel.org> # 2.6.37
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 485b06aadb933190f4bc44e006076bc27a23f205 upstream.
Make sure to check that we have two alternate settings and at least one
endpoint before accessing the second altsetting structure and
dereferencing the endpoint arrays.
This specifically avoids dereferencing NULL-pointers or corrupting
memory when a device does not have the expected descriptors.
Note that the sanity checks in stv06xx_start() and pb0100_start() are
not redundant as the driver is mixing looking up altsettings by index
and by number, which may not coincide.
Fixes: 8668d504d72c ("V4L/DVB (12082): gspca_stv06xx: Add support for st6422 bridge and sensor")
Fixes: c0b33bdc5b8d ("[media] gspca-stv06xx: support bandwidth changing")
Cc: stable <stable@vger.kernel.org> # 2.6.31
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f52981019ad8d6718de79b425a574c6bddf81f7c upstream.
Make sure to use the current alternate setting when verifying the
interface descriptors to avoid submitting an URB to an invalid endpoint.
Failing to do so could cause the driver to misbehave or trigger a WARN()
in usb_submit_urb() that kernels with panic_on_warn set would choke on.
Fixes: c4018fa2e4c0 ("[media] dib0700: fix RC support on Hauppauge Nova-TD")
Cc: stable <stable@vger.kernel.org> # 3.16
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 998912346c0da53a6dbb71fab3a138586b596b30 upstream.
Make sure to check that we have at least one endpoint before accessing
the endpoint array to avoid dereferencing a NULL-pointer on stream
start.
Note that these sanity checks are not redundant as the driver is mixing
looking up altsettings by index and by number, which need not coincide.
Fixes: 1876bb923c98 ("V4L/DVB (12079): gspca_ov519: add support for the ov511 bridge")
Fixes: b282d87332f5 ("V4L/DVB (12080): gspca_ov519: Fix ov518+ with OV7620AE (Trust spacecam 320)")
Cc: stable <stable@vger.kernel.org> # 2.6.31
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 536f561d871c5781bc33d26d415685211b94032e upstream.
The driver was issuing synchronous uninterruptible control requests
without using a timeout. This could lead to the driver hanging on
various user requests due to a malfunctioning (or malicious) device
until the device is physically disconnected.
The USB upper limit of five seconds per request should be more than
enough.
Fixes: f3d27f34fdd7 ("[media] usbtv: Add driver for Fushicai USBTV007 video frame grabber")
Fixes: c53a846c48f2 ("[media] usbtv: add video controls")
Cc: stable <stable@vger.kernel.org> # 3.11
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit bca243b1ce0e46be26f7c63b5591dfbb41f558e5 upstream.
commit 1b976fc6d684 ("media: b2c2-flexcop-usb: add sanity checking") added
an endpoint sanity check to address a NULL-pointer dereference on probe.
Unfortunately the check was done on the current altsetting which was later
changed.
Fix this by moving the sanity check to after the altsetting is changed.
Fixes: 1b976fc6d684 ("media: b2c2-flexcop-usb: add sanity checking")
Cc: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 4.19.109 stable release
# gpg: Signature made Wed 11 Mar 2020 09:15:34 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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Security Advisory
Reference to upstream patch:
https://github.com/torvalds/linux/commit/a7b2df76b42bdd026e3106cf2ba97db41345a177
media: rc: prevent memory leak in cx23888_ir_probe
In cx23888_ir_probe if kfifo_alloc fails the allocated memory for state
should be released.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Wang Mingyu <wangmy@cn.fujitsu.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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commit 316e730f1d8bb029fe6cec2468fb2a50424485b3 upstream.
The topology that v4l2_m2m_register_media_controller() creates for a
processing block actually created a source-to-source link and a sink-to-sink
link instead of two source-to-sink links.
Unfortunately v4l2-compliance never checked for such bad links, so this
went unreported for quite some time.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reported-by: Nicolas Dufresne <nicolas@ndufresne.ca>
Cc: <stable@vger.kernel.org> # for v4.19 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit dc4cac67e13515835ed8081d510aa507aacb013b ]
The AVerMedia CE310B is a simple composite + S-Video + stereo audio
capture card, and uses only the CX23888 to perform all of these
functions.
I've tested both video inputs and the audio interface and confirmed that
they're all working. However, there are some issues:
* Sometimes when I switch inputs the video signal turns black and can't
be recovered until the system is rebooted. I haven't been able to
determine the cause of this behavior, nor have I found a solution to
fix it or any workarounds other than rebooting.
* The card sometimes seems to have trouble syncing to the video signal,
and some of the VBI data appears as noise at the top of the frame, but
I assume that to be a result of my very noisy RF environment and the
card's unshielded input traces rather than a configuration issue.
Signed-off-by: Forest Crossman <cyrozap@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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bdisp_device_run()
[ Upstream commit bb6d42061a05d71dd73f620582d9e09c8fbf7f5b ]
The driver may sleep while holding a spinlock.
The function call path (from bottom to top) in Linux 4.19 is:
drivers/media/platform/sti/bdisp/bdisp-hw.c, 385:
msleep in bdisp_hw_reset
drivers/media/platform/sti/bdisp/bdisp-v4l2.c, 341:
bdisp_hw_reset in bdisp_device_run
drivers/media/platform/sti/bdisp/bdisp-v4l2.c, 317:
_raw_spin_lock_irqsave in bdisp_device_run
To fix this bug, msleep() is replaced with udelay().
This bug is found by a static analysis tool STCheck written by myself.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Reviewed-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1451d5ae351d938a0ab1677498c893f17b9ee21d ]
This driver supports both the mt9v032 (color) and the mt9v022 (mono)
sensors. Depending on which sensor is used, the format from the sensor is
different. The format.code inside the dev struct holds this information.
The enum mbus and enum frame sizes need to take into account both type of
sensors, not just the color one. To solve this, use the format.code in
these functions instead of the hardcoded bayer color format (which is only
used for mt9v032).
[Sakari Ailus: rewrapped commit message]
Suggested-by: Wenyou Yang <wenyou.yang@microchip.com>
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 0d962e061abcf1b9105f88fb850158b5887fbca3 upstream.
Enclose multiple macro parameters in parentheses in order to
make such macros safer and fix the Clang warning below:
drivers/media/i2c/adv748x/adv748x-afe.c:452:12: warning: operator '?:'
has lower precedence than '|'; '|' will be evaluated first
[-Wbitwise-conditional-parentheses]
ret = sdp_clrset(state, ADV748X_SDP_FRP, ADV748X_SDP_FRP_MASK, enable
? ctrl->val - 1 : 0);
Fixes: 3e89586a64df ("media: i2c: adv748x: add adv748x driver")
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 080d89f522e2baddb4fbbd1af4b67b5f92537ef8 upstream.
Once rc_open is called on the input device, lirc events can be delivered.
Ensure lirc is ready to do so else we might get this:
Registered IR keymap rc-hauppauge
rc rc0: Hauppauge WinTV PVR-350 as
/devices/pci0000:00/0000:00:1e.0/0000:04:00.0/i2c-0/0-0018/rc/rc0
input: Hauppauge WinTV PVR-350 as
/devices/pci0000:00/0000:00:1e.0/0000:04:00.0/i2c-0/0-0018/rc/rc0/input9
BUG: kernel NULL pointer dereference, address: 0000000000000038
PGD 0 P4D 0
Oops: 0000 [#1] SMP PTI
CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.3.11-300.fc31.x86_64 #1
Hardware name: /DG43NB, BIOS NBG4310H.86A.0096.2009.0903.1845 09/03/2009
Workqueue: events ir_work [ir_kbd_i2c]
RIP: 0010:ir_lirc_scancode_event+0x3d/0xb0
Code: a6 b4 07 00 00 49 81 c6 b8 07 00 00 55 53 e8 ba a7 9d ff 4c 89
e7 49 89 45 00 e8 5e 7a 25 00 49 8b 1e 48 89 c5 4c 39 f3 74 58 <8b> 43
38 8b 53 40 89 c1 2b 4b 3c 39 ca 72 41 21 d0 49 8b 7d 00 49
RSP: 0018:ffffaae2000b3d88 EFLAGS: 00010017
RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000019
RDX: 0000000000000001 RSI: 006e801b1f26ce6a RDI: ffff9e39797c37b4
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff9e39797c37b4
R13: ffffaae2000b3db8 R14: ffff9e39797c37b8 R15: ffff9e39797c33d8
FS: 0000000000000000(0000) GS:ffff9e397b680000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000038 CR3: 0000000035844000 CR4: 00000000000006e0
Call Trace:
ir_do_keydown+0x8e/0x2b0
rc_keydown+0x52/0xc0
ir_work+0xb8/0x130 [ir_kbd_i2c]
process_one_work+0x19d/0x340
worker_thread+0x50/0x3b0
kthread+0xfb/0x130
? process_one_work+0x340/0x340
? kthread_park+0x80/0x80
ret_from_fork+0x35/0x40
Modules linked in: rc_hauppauge tuner msp3400 saa7127 saa7115 ivtv(+)
tveeprom cx2341x v4l2_common videodev mc i2c_algo_bit ir_kbd_i2c
ip_tables firewire_ohci e1000e serio_raw firewire_core ata_generic
crc_itu_t pata_acpi pata_jmicron fuse
CR2: 0000000000000038
---[ end trace c67c2697a99fa74b ]---
RIP: 0010:ir_lirc_scancode_event+0x3d/0xb0
Code: a6 b4 07 00 00 49 81 c6 b8 07 00 00 55 53 e8 ba a7 9d ff 4c 89
e7 49 89 45 00 e8 5e 7a 25 00 49 8b 1e 48 89 c5 4c 39 f3 74 58 <8b> 43
38 8b 53 40 89 c1 2b 4b 3c 39 ca 72 41 21 d0 49 8b 7d 00 49
RSP: 0018:ffffaae2000b3d88 EFLAGS: 00010017
RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000019
RDX: 0000000000000001 RSI: 006e801b1f26ce6a RDI: ffff9e39797c37b4
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff9e39797c37b4
R13: ffffaae2000b3db8 R14: ffff9e39797c37b8 R15: ffff9e39797c33d8
FS: 0000000000000000(0000) GS:ffff9e397b680000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000038 CR3: 0000000035844000 CR4: 00000000000006e0
rc rc0: lirc_dev: driver ir_kbd_i2c registered at minor = 0, scancode
receiver, no transmitter
tuner-simple 0-0061: creating new instance
tuner-simple 0-0061: type set to 2 (Philips NTSC (FI1236,FM1236 and
compatibles))
ivtv0: Registered device video0 for encoder MPG (4096 kB)
ivtv0: Registered device video32 for encoder YUV (2048 kB)
ivtv0: Registered device vbi0 for encoder VBI (1024 kB)
ivtv0: Registered device video24 for encoder PCM (320 kB)
ivtv0: Registered device radio0 for encoder radio
ivtv0: Registered device video16 for decoder MPG (1024 kB)
ivtv0: Registered device vbi8 for decoder VBI (64 kB)
ivtv0: Registered device vbi16 for decoder VOUT
ivtv0: Registered device video48 for decoder YUV (1024 kB)
Cc: stable@vger.kernel.org
Tested-by: Nick French <nickfrench@gmail.com>
Reported-by: Nick French <nickfrench@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4a873f3fa5d6ca52e446d306dd7194dd86a09422 upstream.
The do_video_ioctl() compat handler converts the compat command
codes into the native ones before processing further, but this
causes problems for 32-bit user applications that pass a command
code that matches a 64-bit native number, which will then be
handled the same way.
Specifically, this breaks VIDIOC_DQEVENT_TIME from user space
applications with 64-bit time_t, as the structure layout is
the same as the native 64-bit layout on many architectures
(x86 being the notable exception).
Change the handler to use the converted command code only for
passing into the native ioctl handler, not for deciding on the
conversion, in order to make the compat behavior match the
native behavior.
Actual support for the 64-bit time_t version of VIDIOC_DQEVENT_TIME
and other commands still needs to be added in a separate patch.
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3c7470b6f68434acae459482ab920d1e3fabd1c7 upstream.
After DMA is complete, and the device and CPU caches are synchronized,
it's still required to mark the CPU pages as dirty, if the data was
coming from the device. However, this driver was just issuing a bare
put_page() call, without any set_page_dirty*() call.
Fix the problem, by calling set_page_dirty_lock() if the CPU pages were
potentially receiving data from the device.
Link: http://lkml.kernel.org/r/20200107224558.2362728-11-jhubbard@nvidia.com
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: <stable@vger.kernel.org>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Björn Töpel <bjorn.topel@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jason Gunthorpe <jgg@mellanox.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 68035c80e129c4cfec659aac4180354530b26527 upstream.
Way back in 2017, fuzzing the 4.14-rc2 USB stack with syzkaller kicked
up the following WARNING from the UVC chain scanning code:
| list_add double add: new=ffff880069084010, prev=ffff880069084010,
| next=ffff880067d22298.
| ------------[ cut here ]------------
| WARNING: CPU: 1 PID: 1846 at lib/list_debug.c:31 __list_add_valid+0xbd/0xf0
| Modules linked in:
| CPU: 1 PID: 1846 Comm: kworker/1:2 Not tainted
| 4.14.0-rc2-42613-g1488251d1a98 #238
| Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
| Workqueue: usb_hub_wq hub_event
| task: ffff88006b01ca40 task.stack: ffff880064358000
| RIP: 0010:__list_add_valid+0xbd/0xf0 lib/list_debug.c:29
| RSP: 0018:ffff88006435ddd0 EFLAGS: 00010286
| RAX: 0000000000000058 RBX: ffff880067d22298 RCX: 0000000000000000
| RDX: 0000000000000058 RSI: ffffffff85a58800 RDI: ffffed000c86bbac
| RBP: ffff88006435dde8 R08: 1ffff1000c86ba52 R09: 0000000000000000
| R10: 0000000000000002 R11: 0000000000000000 R12: ffff880069084010
| R13: ffff880067d22298 R14: ffff880069084010 R15: ffff880067d222a0
| FS: 0000000000000000(0000) GS:ffff88006c900000(0000) knlGS:0000000000000000
| CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
| CR2: 0000000020004ff2 CR3: 000000006b447000 CR4: 00000000000006e0
| Call Trace:
| __list_add ./include/linux/list.h:59
| list_add_tail+0x8c/0x1b0 ./include/linux/list.h:92
| uvc_scan_chain_forward.isra.8+0x373/0x416
| drivers/media/usb/uvc/uvc_driver.c:1471
| uvc_scan_chain drivers/media/usb/uvc/uvc_driver.c:1585
| uvc_scan_device drivers/media/usb/uvc/uvc_driver.c:1769
| uvc_probe+0x77f2/0x8f00 drivers/media/usb/uvc/uvc_driver.c:2104
Looking into the output from usbmon, the interesting part is the
following data packet:
ffff880069c63e00 30710169 C Ci:1:002:0 0 143 = 09028f00 01030080
00090403 00000e01 00000924 03000103 7c003328 010204db
If we drop the lead configuration and interface descriptors, we're left
with an output terminal descriptor describing a generic display:
/* Output terminal descriptor */
buf[0] 09
buf[1] 24
buf[2] 03 /* UVC_VC_OUTPUT_TERMINAL */
buf[3] 00 /* ID */
buf[4] 01 /* type == 0x0301 (UVC_OTT_DISPLAY) */
buf[5] 03
buf[6] 7c
buf[7] 00 /* source ID refers to self! */
buf[8] 33
The problem with this descriptor is that it is self-referential: the
source ID of 0 matches itself! This causes the 'struct uvc_entity'
representing the display to be added to its chain list twice during
'uvc_scan_chain()': once via 'uvc_scan_chain_entity()' when it is
processed directly from the 'dev->entities' list and then again
immediately afterwards when trying to follow the source ID in
'uvc_scan_chain_forward()'
Add a check before adding an entity to a chain list to ensure that the
entity is not already part of a chain.
Link: https://lore.kernel.org/linux-media/CAAeHK+z+Si69jUR+N-SjN9q4O+o5KFiNManqEa-PjUta7EOb7A@mail.gmail.com/
Cc: <stable@vger.kernel.org>
Fixes: c0efd232929c ("V4L/DVB (8145a): USB Video Class driver")
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 1b257870a78b0a9ce98fdfb052c58542022ffb5b ]
Make sure to use the current alternate setting, which need not be the
first one by index, when verifying the endpoint descriptors and
initialising the URBs.
Failing to do so could cause the driver to misbehave or trigger a WARN()
in usb_submit_urb() that kernels with panic_on_warn set would choke on.
Fixes: 26ff63137c45 ("[media] Add support for the IguanaWorks USB IR Transceiver")
Fixes: ab1cbdf159be ("media: iguanair: add sanity checks")
Cc: stable <stable@vger.kernel.org> # 3.6
Cc: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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A pointer to 'struct si470x_device' is currently used after free:
drivers/media/radio/si470x/radio-si470x-i2c.c:462:25-30: ERROR: reference
preceded by free on line 460
Shift the call to free() down past its final use.
NB: Not sending to Mainline, since the problem does not exist there, it was
caused by the backport of 2df200ab234a ("media: si470x-i2c: add missed
operations in remove") to the stable trees.
Cc: <stable@vger.kernel.org> # v3.18+
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 569bc8d6a6a50acb5fcf07fb10b8d2d461fdbf93 upstream.
This fixes a syzbot failure since actlen could be uninitialized,
but it was still used.
Syzbot link:
https://syzkaller.appspot.com/bug?extid=6bf9606ee955b646c0e1
Reported-and-tested-by: syzbot+6bf9606ee955b646c0e1@syzkaller.appspotmail.com
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit de89d0864f66c2a1b75becfdd6bf3793c07ce870 upstream.
Allocate gspca_dev->usb_buf with kzalloc instead of kmalloc to
ensure it is property zeroed. This fixes various syzbot errors
about uninitialized data.
Syzbot links:
https://syzkaller.appspot.com/bug?extid=32310fc2aea76898d074
https://syzkaller.appspot.com/bug?extid=99706d6390be1ac542a2
https://syzkaller.appspot.com/bug?extid=64437af5c781a7f0e08e
Reported-and-tested-by: syzbot+32310fc2aea76898d074@syzkaller.appspotmail.com
Reported-and-tested-by: syzbot+99706d6390be1ac542a2@syzkaller.appspotmail.com
Reported-and-tested-by: syzbot+64437af5c781a7f0e08e@syzkaller.appspotmail.com
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 26cff637121d8bb866ebd6515c430ac890e6ec80 upstream.
It is not a fatal error if reading the mac address or the remote control
decoder state fails.
Reported-by: syzbot+ec869945d3dde5f33b43@syzkaller.appspotmail.com
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 51d0c99b391f0cac61ad7b827c26f549ee55672c upstream.
If usb_bulk_msg() fails, actual_length can be uninitialized.
Reported-by: syzbot+9d42b7773d2fecd983ab@syzkaller.appspotmail.com
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit eecc70d22ae51225de1ef629c1159f7116476b2e upstream.
This results in an uninitialized variable read.
Reported-by: syzbot+6bf9606ee955b646c0e1@syzkaller.appspotmail.com
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ee8951e56c0f960b9621636603a822811cef3158 upstream.
v4l2_vbi_format, v4l2_sliced_vbi_format and v4l2_sdr_format
have a reserved array at the end that should be zeroed by drivers
as per the V4L2 spec. Older drivers often do not do this, so just
handle this in the core.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ecbce48f1ff2442371ebcd12ec0ecddb431fbd72 ]
A null pointer would be passed to a call of the function "kfree" directly
after a call of the function "kcalloc" failed at one place.
Pass the data structure member "urb" instead for which memory
was allocated before (so that this resource will be properly cleaned up).
This issue was detected by using the Coccinelle software.
Fixes: d571b592c6206d33731f41aa710fa0f69ac8611b ("media: em28xx: don't use coherent buffer for DMA transfers")
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 623fd246bb40234fe68dd4e7c1f1f081f9c45a3d ]
In case of sensor malfunction, stop streaming timeout takes much longer
than expected. This is due to conversion of time to jiffies: milliseconds
multiplied with HZ (ticks/second) gives out a value of jiffies with 10^3
greater. We need to also divide by 10^3 to obtain the right jiffies value.
In other words FRAME_INTERVAL_MILLI_SEC must be in seconds in order to
multiply by HZ and get the right jiffies value to add to the current
jiffies for the timeout expire time.
Fixes: 195ebc43bf76 ("[media] V4L: at91: add Atmel Image Sensor Interface (ISI) support")
Signed-off-by: Alexandre Kroupski <alexandre.kroupski@ingenico.com>
Reviewed-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0bd465765f8d1300040de627f0a0971a8849d654 ]
The parallel input initialization error path cleans up the wrong
async notifier, fix this by cleaning up the correct notifier.
Fixes: 9863bc8695bc36e3 ("media: rcar-vin: Cleanup notifier in error path")
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d4ec9550e4b2d2e357a46fdc65d8ef3d4d15984c ]
The assigment of FB_VMODE_NONINTERLACE to var->vmode should be a
bit-wise or of FB_VMODE_NONINTERLACE instead of an assignment,
otherwise the previous clearing of the FB_VMODE_MASK bits of
var->vmode makes no sense and is redundant.
Addresses-Coverity: ("Unused value")
Fixes: ad4e02d5081d ("[media] vivid: add a simple framebuffer device for overlay testing")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b72845ee5577b227131b1fef23f9d9a296621d7b ]
In vpbe_enum_outputs() we check if (temp_index >= cfg->num_outputs) but
the problem is that "temp_index" can be negative. This patch changes
the types to unsigned to address this array underflow bug.
Fixes: 66715cdc3224 ("[media] davinci vpbe: VPBE display driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit dd6e2a981bfe83aa4a493143fd8cf1edcda6c091 ]
The "b->index" is a u32 the comes from the user in the ioctl. It hasn't
been checked. We aren't supposed to use it but we're instead supposed
to use the value that gets written to it when we call videobuf_dqbuf().
The videobuf_dqbuf() first memsets it to zero and then re-initializes it
inside the videobuf_status() function. It's this final value which we
want.
Hans Verkuil pointed out that we need to check the return from
videobuf_dqbuf(). I ended up doing a little cleanup related to that as
well.
Fixes: 72915e851da9 ("[media] V4L2: OMAP: VOUT: dma map and unmap v4l2 buffers in qbuf and dqbuf")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 384538bda10913e5c94ec5b5d34bd3075931bcf4 ]
Avoid returning with mutex locked.
Fixes: fa8cb6444c32 ("[media] ov2659: Don't depend on subdev API")
Cc: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2e7682ebfc750177a4944eeb56e97a3f05734528 ]
'vb' null check should be done before dereferencing it in
tw5864_handle_frame, otherwise a NULL pointer dereference
may occur.
Fixes: 34d1324edd31 ("[media] pci: Add tw5864 driver")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0e633f97162c1c74c68e2eb20bbd9259dce87cd9 ]
clang warns about a possible variable use that gcc never
complained about:
drivers/media/platform/davinci/isif.c:982:32: error: variable 'frame_size' is uninitialized when used here
[-Werror,-Wuninitialized]
dm365_vpss_set_pg_frame_size(frame_size);
^~~~~~~~~~
drivers/media/platform/davinci/isif.c:887:2: note: variable 'frame_size' is declared here
struct vpss_pg_frame_size frame_size;
^
1 error generated.
There is no initialization for this variable at all, and there
has never been one in the mainline kernel, so we really should
not put that stack data into an mmio register.
On the other hand, I suspect that gcc checks the condition
more closely and notices that the global
isif_cfg.bayer.config_params.test_pat_gen flag is initialized
to zero and never written to from any code path, so anything
depending on it can be eliminated.
To shut up the clang warning, just remove the dead code manually,
it has probably never been used because any attempt to do so
would have resulted in undefined behavior.
Fixes: 63e3ab142fa3 ("V4L/DVB: V4L - vpfe capture - source for ISIF driver on DM365")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a3d7f22ef34ec4206b50ee121384d5c8bebd5591 ]
Checking of kmalloc() seems to have been committed - as
cx23885_dvb_register() is checking for != 0 return, returning
-ENOMEM should be fine here. While at it address the coccicheck
suggestion to move to kmemdup rather than using kmalloc+memcpy.
Fixes: 46b21bbaa8a8 ("[media] Add support for DViCO FusionHDTV DVB-T Dual Express2")
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ef4bb63dc1f7213c08e13f6943c69cd27f69e4a3 ]
We forgot to set "ret" on this error path.
Fixes: e8454ff7b9a4 ("[media] drivers:media:radio: wl128x: FM Driver Common sources")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 7afb0df554292dca7568446f619965fb8153085d ]
We should be updating *pos. The current code is a no-op.
Fixes: 1c1e45d17b66 ("V4L/DVB (7786): cx18: new driver for the Conexant CX23418 MPEG encoder chip")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f8e579f3ca0973daef263f513da5edff520a6c0d ]
We had intended to update *pos, but the current code is a no-op.
Fixes: 1a0adaf37c30 ("V4L/DVB (5345): ivtv driver for Conexant cx23416/cx23415 MPEG encoder/decoder")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 15d90a6ae98e6d2c68497b44a491cb9efbb98ab1 ]
earth-pt1 driver was decomposed/restructured by the commit b732539efdba
("media: dvb: earth-pt1: decompose pt1 driver into sub drivers"),
but it introduced a problem regarding concurrent streaming:
Opening a new terrestial stream stops the reception of an existing,
already-opened satellite stream.
The demod IC in earth-pt1 boards contains 2 pairs of terr. and sat. blocks,
supporting 4 concurrent demodulations, and the above problem was because
the config of a terr. block contained whole reset/init of the pair blocks,
thus each open() of a terrestrial frontend wrongly cleared the config of
its peer satellite block of the demod.
This whole/pair reset should be executed earlier and not on each open().
Fixes: b732539efdba ("media: dvb: earth-pt1: decompose pt1 driver into sub drivers")
Signed-off-by: Akihiro Tsukada <tskd08@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 341fe1d301f587c930509f6b9153436b957f649c ]
As the tw9910 subdevice is registered through the v4l2-async framework,
use the v4l2-async provided function to register it.
Fixes: 7b20f325a566 ("media: i2c: tw9910: Remove soc_camera dependencies")
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 19c624c6b29e244c418f8b44a711cbf5e82e3cd4 ]
This commit corrects max and step values for v4l2 control for
V4L2_CID_JPEG_RESTART_INTERVAL. Max should be 0xffff and step should be 1.
It was found by using v4l2-compliance tool and checking result of
VIDIOC_QUERY_EXT_CTRL/QUERYMENU test.
Previously it was complaining that step was bigger than difference
between max and min.
Fixes: 15f4bc3b1f42 ("[media] s5p-jpeg: Add JPEG controls support")
Signed-off-by: Pawe? Chmiel <pawel.mikolaj.chmiel@gmail.com>
Reviewed-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 704c6c80fb471d1bb0ef0d61a94617d1d55743cd upstream.
>From isp_video_release(), &isp->video_lock is held and subsequent
vb2_fop_release() tries to lock vdev->lock which is same with the
previous one. Replace vb2_fop_release() with _vb2_fop_release() to
fix the recursive locking.
Fixes: 1380f5754cb0 ("[media] videobuf2: Add missing lock held on vb2_fop_release")
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Bruce Ashfield
Benoit Parrot
Dongchun Zhu
Matt Ranostay
Stephan Gerhold
Sean Young
Johan Hovold
Wang Mingyu
Hans Verkuil
Forest Crossman
Jia-Ju Bai
Eugen Hristev
Gustavo A. R. Silva
Arnd Bergmann
John Hubbard
Will Deacon
Lee Jones
Markus Elfring
Alexandre Kroupski
Niklas Söderlund
Colin Ian King
Dan Carpenter
Akinobu Mita
YueHaibing
Nicholas Mc Guire
Akihiro Tsukada
Jacopo Mondi
Pawe? Chmiel
Seung-Woo Kim