diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/android/binder_alloc.c | 2 | ||||
-rw-r--r-- | drivers/hid/Kconfig | 1 | ||||
-rw-r--r-- | drivers/i2c/i2c-dev.c | 3 | ||||
-rw-r--r-- | drivers/input/joystick/spaceball.c | 11 | ||||
-rw-r--r-- | drivers/input/mouse/appletouch.c | 4 | ||||
-rw-r--r-- | drivers/input/serio/i8042-x86ia64io.h | 21 | ||||
-rw-r--r-- | drivers/input/serio/i8042.c | 54 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/fman/fman_port.c | 12 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 11 | ||||
-rw-r--r-- | drivers/net/usb/pegasus.c | 4 | ||||
-rw-r--r-- | drivers/nfc/st21nfca/i2c.c | 29 | ||||
-rw-r--r-- | drivers/platform/x86/apple-gmux.c | 2 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_debugfs.c | 4 | ||||
-rw-r--r-- | drivers/scsi/vmw_pvscsi.c | 7 | ||||
-rw-r--r-- | drivers/tee/tee_shm.c | 177 | ||||
-rw-r--r-- | drivers/usb/gadget/function/f_fs.c | 9 | ||||
-rw-r--r-- | drivers/usb/host/xhci-pci.c | 5 | ||||
-rw-r--r-- | drivers/usb/mtu3/mtu3_gadget.c | 7 |
18 files changed, 198 insertions, 165 deletions
diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 3371b986e3b4..cd845afc4880 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -630,7 +630,7 @@ static void binder_free_buf_locked(struct binder_alloc *alloc, BUG_ON(buffer->data > alloc->buffer + alloc->buffer_size); if (buffer->async_transaction) { - alloc->free_async_space += size + sizeof(struct binder_buffer); + alloc->free_async_space += buffer_size + sizeof(struct binder_buffer); binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC_ASYNC, "%d: binder_free_buf size %zd async free %zd\n", diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 98e91e14cefd..88bb59ba58cd 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -148,6 +148,7 @@ config HID_APPLEIR config HID_ASUS tristate "Asus" + depends on USB_HID depends on LEDS_CLASS ---help--- Support for Asus notebook built-in keyboard and touchpad via i2c, and diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 57aece809841..140dd074fdee 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -544,6 +544,9 @@ static long compat_i2cdev_ioctl(struct file *file, unsigned int cmd, unsigned lo sizeof(rdwr_arg))) return -EFAULT; + if (!rdwr_arg.msgs || rdwr_arg.nmsgs == 0) + return -EINVAL; + if (rdwr_arg.nmsgs > I2C_RDWR_IOCTL_MAX_MSGS) return -EINVAL; diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c index ffb9c1f495b6..197e0b5d5a80 100644 --- a/drivers/input/joystick/spaceball.c +++ b/drivers/input/joystick/spaceball.c @@ -31,6 +31,7 @@ #include <linux/module.h> #include <linux/input.h> #include <linux/serio.h> +#include <asm/unaligned.h> #define DRIVER_DESC "SpaceTec SpaceBall 2003/3003/4000 FLX driver" @@ -87,9 +88,15 @@ static void spaceball_process_packet(struct spaceball* spaceball) case 'D': /* Ball data */ if (spaceball->idx != 15) return; - for (i = 0; i < 6; i++) + /* + * Skip first three bytes; read six axes worth of data. + * Axis values are signed 16-bit big-endian. + */ + data += 3; + for (i = 0; i < ARRAY_SIZE(spaceball_axes); i++) { input_report_abs(dev, spaceball_axes[i], - (__s16)((data[2 * i + 3] << 8) | data[2 * i + 2])); + (__s16)get_unaligned_be16(&data[i * 2])); + } break; case 'K': /* Button data */ diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c index f1e66e257cff..e305a4f2b0f0 100644 --- a/drivers/input/mouse/appletouch.c +++ b/drivers/input/mouse/appletouch.c @@ -930,6 +930,8 @@ static int atp_probe(struct usb_interface *iface, set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); set_bit(BTN_LEFT, input_dev->keybit); + INIT_WORK(&dev->work, atp_reinit); + error = input_register_device(dev->input); if (error) goto err_free_buffer; @@ -937,8 +939,6 @@ static int atp_probe(struct usb_interface *iface, /* save our data pointer in this interface device */ usb_set_intfdata(iface, dev); - INIT_WORK(&dev->work, atp_reinit); - return 0; err_free_buffer: diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index c218e107c0c8..ee0b0a7237ad 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -999,6 +999,24 @@ static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = { { } }; +static const struct dmi_system_id i8042_dmi_probe_defer_table[] __initconst = { + { + /* ASUS ZenBook UX425UA */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA"), + }, + }, + { + /* ASUS ZenBook UM325UA */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UA_UM325UA"), + }, + }, + { } +}; + #endif /* CONFIG_X86 */ #ifdef CONFIG_PNP @@ -1318,6 +1336,9 @@ static int __init i8042_platform_init(void) if (dmi_check_system(i8042_dmi_kbdreset_table)) i8042_kbdreset = true; + if (dmi_check_system(i8042_dmi_probe_defer_table)) + i8042_probe_defer = true; + /* * A20 was already enabled during early kernel init. But some buggy * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index c60593c8d2be..082afbf088d6 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -48,6 +48,10 @@ static bool i8042_unlock; module_param_named(unlock, i8042_unlock, bool, 0); MODULE_PARM_DESC(unlock, "Ignore keyboard lock."); +static bool i8042_probe_defer; +module_param_named(probe_defer, i8042_probe_defer, bool, 0); +MODULE_PARM_DESC(probe_defer, "Allow deferred probing."); + enum i8042_controller_reset_mode { I8042_RESET_NEVER, I8042_RESET_ALWAYS, @@ -702,7 +706,7 @@ static int i8042_set_mux_mode(bool multiplex, unsigned char *mux_version) * LCS/Telegraphics. */ -static int __init i8042_check_mux(void) +static int i8042_check_mux(void) { unsigned char mux_version; @@ -731,10 +735,10 @@ static int __init i8042_check_mux(void) /* * The following is used to test AUX IRQ delivery. */ -static struct completion i8042_aux_irq_delivered __initdata; -static bool i8042_irq_being_tested __initdata; +static struct completion i8042_aux_irq_delivered; +static bool i8042_irq_being_tested; -static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id) +static irqreturn_t i8042_aux_test_irq(int irq, void *dev_id) { unsigned long flags; unsigned char str, data; @@ -761,7 +765,7 @@ static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id) * verifies success by readinng CTR. Used when testing for presence of AUX * port. */ -static int __init i8042_toggle_aux(bool on) +static int i8042_toggle_aux(bool on) { unsigned char param; int i; @@ -789,7 +793,7 @@ static int __init i8042_toggle_aux(bool on) * the presence of an AUX interface. */ -static int __init i8042_check_aux(void) +static int i8042_check_aux(void) { int retval = -1; bool irq_registered = false; @@ -996,7 +1000,7 @@ static int i8042_controller_init(void) if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) { pr_err("Can't read CTR while initializing i8042\n"); - return -EIO; + return i8042_probe_defer ? -EPROBE_DEFER : -EIO; } } while (n < 2 || ctr[0] != ctr[1]); @@ -1311,7 +1315,7 @@ static void i8042_shutdown(struct platform_device *dev) i8042_controller_reset(false); } -static int __init i8042_create_kbd_port(void) +static int i8042_create_kbd_port(void) { struct serio *serio; struct i8042_port *port = &i8042_ports[I8042_KBD_PORT_NO]; @@ -1339,7 +1343,7 @@ static int __init i8042_create_kbd_port(void) return 0; } -static int __init i8042_create_aux_port(int idx) +static int i8042_create_aux_port(int idx) { struct serio *serio; int port_no = idx < 0 ? I8042_AUX_PORT_NO : I8042_MUX_PORT_NO + idx; @@ -1376,13 +1380,13 @@ static int __init i8042_create_aux_port(int idx) return 0; } -static void __init i8042_free_kbd_port(void) +static void i8042_free_kbd_port(void) { kfree(i8042_ports[I8042_KBD_PORT_NO].serio); i8042_ports[I8042_KBD_PORT_NO].serio = NULL; } -static void __init i8042_free_aux_ports(void) +static void i8042_free_aux_ports(void) { int i; @@ -1392,7 +1396,7 @@ static void __init i8042_free_aux_ports(void) } } -static void __init i8042_register_ports(void) +static void i8042_register_ports(void) { int i; @@ -1444,7 +1448,7 @@ static void i8042_free_irqs(void) i8042_aux_irq_registered = i8042_kbd_irq_registered = false; } -static int __init i8042_setup_aux(void) +static int i8042_setup_aux(void) { int (*aux_enable)(void); int error; @@ -1486,7 +1490,7 @@ static int __init i8042_setup_aux(void) return error; } -static int __init i8042_setup_kbd(void) +static int i8042_setup_kbd(void) { int error; @@ -1536,7 +1540,7 @@ static int i8042_kbd_bind_notifier(struct notifier_block *nb, return 0; } -static int __init i8042_probe(struct platform_device *dev) +static int i8042_probe(struct platform_device *dev) { int error; @@ -1601,6 +1605,7 @@ static struct platform_driver i8042_driver = { .pm = &i8042_pm_ops, #endif }, + .probe = i8042_probe, .remove = i8042_remove, .shutdown = i8042_shutdown, }; @@ -1611,7 +1616,6 @@ static struct notifier_block i8042_kbd_bind_notifier_block = { static int __init i8042_init(void) { - struct platform_device *pdev; int err; dbg_init(); @@ -1627,17 +1631,29 @@ static int __init i8042_init(void) /* Set this before creating the dev to allow i8042_command to work right away */ i8042_present = true; - pdev = platform_create_bundle(&i8042_driver, i8042_probe, NULL, 0, NULL, 0); - if (IS_ERR(pdev)) { - err = PTR_ERR(pdev); + err = platform_driver_register(&i8042_driver); + if (err) goto err_platform_exit; + + i8042_platform_device = platform_device_alloc("i8042", -1); + if (!i8042_platform_device) { + err = -ENOMEM; + goto err_unregister_driver; } + err = platform_device_add(i8042_platform_device); + if (err) + goto err_free_device; + bus_register_notifier(&serio_bus, &i8042_kbd_bind_notifier_block); panic_blink = i8042_panic_blink; return 0; +err_free_device: + platform_device_put(i8042_platform_device); +err_unregister_driver: + platform_driver_unregister(&i8042_driver); err_platform_exit: i8042_platform_exit(); return err; diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c index 47f6fee1f396..1812434cda84 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.c +++ b/drivers/net/ethernet/freescale/fman/fman_port.c @@ -1791,7 +1791,7 @@ static int fman_port_probe(struct platform_device *of_dev) fman = dev_get_drvdata(&fm_pdev->dev); if (!fman) { err = -EINVAL; - goto return_err; + goto put_device; } err = of_property_read_u32(port_node, "cell-index", &val); @@ -1799,7 +1799,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: reading cell-index for %pOF failed\n", __func__, port_node); err = -EINVAL; - goto return_err; + goto put_device; } port_id = (u8)val; port->dts_params.id = port_id; @@ -1833,7 +1833,7 @@ static int fman_port_probe(struct platform_device *of_dev) } else { dev_err(port->dev, "%s: Illegal port type\n", __func__); err = -EINVAL; - goto return_err; + goto put_device; } port->dts_params.type = port_type; @@ -1847,7 +1847,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: incorrect qman-channel-id\n", __func__); err = -EINVAL; - goto return_err; + goto put_device; } port->dts_params.qman_channel_id = qman_channel_id; } @@ -1857,7 +1857,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: of_address_to_resource() failed\n", __func__); err = -ENOMEM; - goto return_err; + goto put_device; } port->dts_params.fman = fman; @@ -1882,6 +1882,8 @@ static int fman_port_probe(struct platform_device *of_dev) return 0; +put_device: + put_device(&fm_pdev->dev); return_err: of_node_put(port_node); free_port: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 9003702892cd..5979fcf124bb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3666,12 +3666,11 @@ static int set_feature_arfs(struct net_device *netdev, bool enable) static int mlx5e_handle_feature(struct net_device *netdev, netdev_features_t *features, - netdev_features_t wanted_features, netdev_features_t feature, mlx5e_feature_handler feature_handler) { - netdev_features_t changes = wanted_features ^ netdev->features; - bool enable = !!(wanted_features & feature); + netdev_features_t changes = *features ^ netdev->features; + bool enable = !!(*features & feature); int err; if (!(changes & feature)) @@ -3679,23 +3678,23 @@ static int mlx5e_handle_feature(struct net_device *netdev, err = feature_handler(netdev, enable); if (err) { + MLX5E_SET_FEATURE(features, feature, !enable); netdev_err(netdev, "%s feature %pNF failed, err %d\n", enable ? "Enable" : "Disable", &feature, err); return err; } - MLX5E_SET_FEATURE(features, feature, enable); return 0; } static int mlx5e_set_features(struct net_device *netdev, netdev_features_t features) { - netdev_features_t oper_features = netdev->features; + netdev_features_t oper_features = features; int err = 0; #define MLX5E_HANDLE_FEATURE(feature, handler) \ - mlx5e_handle_feature(netdev, &oper_features, features, feature, handler) + mlx5e_handle_feature(netdev, &oper_features, feature, handler) err |= MLX5E_HANDLE_FEATURE(NETIF_F_LRO, set_feature_lro); err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_FILTER, diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index 9f1777e56d7d..881468ff02bf 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -498,11 +498,11 @@ static void read_bulk_callback(struct urb *urb) goto goon; rx_status = buf[count - 2]; - if (rx_status & 0x1e) { + if (rx_status & 0x1c) { netif_dbg(pegasus, rx_err, net, "RX packet error %x\n", rx_status); net->stats.rx_errors++; - if (rx_status & 0x06) /* long or runt */ + if (rx_status & 0x04) /* runt */ net->stats.rx_length_errors++; if (rx_status & 0x08) net->stats.rx_crc_errors++; diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c index 1b347096422f..ebea3b4dd8e1 100644 --- a/drivers/nfc/st21nfca/i2c.c +++ b/drivers/nfc/st21nfca/i2c.c @@ -544,7 +544,8 @@ static int st21nfca_hci_i2c_probe(struct i2c_client *client, phy->gpiod_ena = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); if (IS_ERR(phy->gpiod_ena)) { nfc_err(dev, "Unable to get ENABLE GPIO\n"); - return PTR_ERR(phy->gpiod_ena); + r = PTR_ERR(phy->gpiod_ena); + goto out_free; } phy->se_status.is_ese_present = @@ -555,7 +556,7 @@ static int st21nfca_hci_i2c_probe(struct i2c_client *client, r = st21nfca_hci_platform_init(phy); if (r < 0) { nfc_err(&client->dev, "Unable to reboot st21nfca\n"); - return r; + goto out_free; } r = devm_request_threaded_irq(&client->dev, client->irq, NULL, @@ -564,15 +565,23 @@ static int st21nfca_hci_i2c_probe(struct i2c_client *client, ST21NFCA_HCI_DRIVER_NAME, phy); if (r < 0) { nfc_err(&client->dev, "Unable to register IRQ handler\n"); - return r; + goto out_free; } - return st21nfca_hci_probe(phy, &i2c_phy_ops, LLC_SHDLC_NAME, - ST21NFCA_FRAME_HEADROOM, - ST21NFCA_FRAME_TAILROOM, - ST21NFCA_HCI_LLC_MAX_PAYLOAD, - &phy->hdev, - &phy->se_status); + r = st21nfca_hci_probe(phy, &i2c_phy_ops, LLC_SHDLC_NAME, + ST21NFCA_FRAME_HEADROOM, + ST21NFCA_FRAME_TAILROOM, + ST21NFCA_HCI_LLC_MAX_PAYLOAD, + &phy->hdev, + &phy->se_status); + if (r) + goto out_free; + + return 0; + +out_free: + kfree_skb(phy->pending_skb); + return r; } static int st21nfca_hci_i2c_remove(struct i2c_client *client) @@ -585,6 +594,8 @@ static int st21nfca_hci_i2c_remove(struct i2c_client *client) if (phy->powered) st21nfca_hci_i2c_disable(phy); + if (phy->pending_skb) + kfree_skb(phy->pending_skb); return 0; } diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index fd2ffebc868f..caa03565c139 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -628,7 +628,7 @@ static int gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) } gmux_data->iostart = res->start; - gmux_data->iolen = res->end - res->start; + gmux_data->iolen = resource_size(res); if (gmux_data->iolen < GMUX_MIN_IO_LEN) { pr_err("gmux I/O region too small (%lu < %u)\n", diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 2c70e311943a..0a908d1cc494 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -2267,8 +2267,8 @@ lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf, char mybuf[64]; char *pbuf; - if (nbytes > 64) - nbytes = 64; + if (nbytes > 63) + nbytes = 63; memset(mybuf, 0, sizeof(mybuf)); diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 2c707b5c7b0b..68b5177bf09d 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -578,9 +578,12 @@ static void pvscsi_complete_request(struct pvscsi_adapter *adapter, * Commands like INQUIRY may transfer less data than * requested by the initiator via bufflen. Set residual * count to make upper layer aware of the actual amount - * of data returned. + * of data returned. There are cases when controller + * returns zero dataLen with non zero data - do not set + * residual count in that case. */ - scsi_set_resid(cmd, scsi_bufflen(cmd) - e->dataLen); + if (e->dataLen && (e->dataLen < scsi_bufflen(cmd))) + scsi_set_resid(cmd, scsi_bufflen(cmd) - e->dataLen); cmd->result = (DID_OK << 16); break; diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index 0b9ab1d0dd45..5fd5aa5f0a1d 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015-2016, Linaro Limited + * Copyright (c) 2015-2017, 2019-2021 Linaro Limited * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -11,25 +11,17 @@ * GNU General Public License for more details. * */ +#include <linux/anon_inodes.h> #include <linux/device.h> -#include <linux/dma-buf.h> -#include <linux/fdtable.h> #include <linux/idr.h> +#include <linux/mm.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/tee_drv.h> #include "tee_private.h" -static void tee_shm_release(struct tee_shm *shm) +static void tee_shm_release(struct tee_device *teedev, struct tee_shm *shm) { - struct tee_device *teedev = shm->teedev; - - mutex_lock(&teedev->mutex); - idr_remove(&teedev->idr, shm->id); - if (shm->ctx) - list_del(&shm->link); - mutex_unlock(&teedev->mutex); - if (shm->flags & TEE_SHM_POOL) { struct tee_shm_pool_mgr *poolm; @@ -61,51 +53,6 @@ static void tee_shm_release(struct tee_shm *shm) tee_device_put(teedev); } -static struct sg_table *tee_shm_op_map_dma_buf(struct dma_buf_attachment - *attach, enum dma_data_direction dir) -{ - return NULL; -} - -static void tee_shm_op_unmap_dma_buf(struct dma_buf_attachment *attach, - struct sg_table *table, - enum dma_data_direction dir) -{ -} - -static void tee_shm_op_release(struct dma_buf *dmabuf) -{ - struct tee_shm *shm = dmabuf->priv; - - tee_shm_release(shm); -} - -static void *tee_shm_op_map(struct dma_buf *dmabuf, unsigned long pgnum) -{ - return NULL; -} - -static int tee_shm_op_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma) -{ - struct tee_shm *shm = dmabuf->priv; - size_t size = vma->vm_end - vma->vm_start; - - /* Refuse sharing shared memory provided by application */ - if (shm->flags & TEE_SHM_REGISTER) - return -EINVAL; - - return remap_pfn_range(vma, vma->vm_start, shm->paddr >> PAGE_SHIFT, - size, vma->vm_page_prot); -} - -static const struct dma_buf_ops tee_shm_dma_buf_ops = { - .map_dma_buf = tee_shm_op_map_dma_buf, - .unmap_dma_buf = tee_shm_op_unmap_dma_buf, - .release = tee_shm_op_release, - .map = tee_shm_op_map, - .mmap = tee_shm_op_mmap, -}; - static struct tee_shm *__tee_shm_alloc(struct tee_context *ctx, struct tee_device *teedev, size_t size, u32 flags) @@ -146,6 +93,7 @@ static struct tee_shm *__tee_shm_alloc(struct tee_context *ctx, goto err_dev_put; } + refcount_set(&shm->refcount, 1); shm->flags = flags | TEE_SHM_POOL; shm->teedev = teedev; shm->ctx = ctx; @@ -168,21 +116,6 @@ static struct tee_shm *__tee_shm_alloc(struct tee_context *ctx, goto err_pool_free; } - if (flags & TEE_SHM_DMA_BUF) { - DEFINE_DMA_BUF_EXPORT_INFO(exp_info); - - exp_info.ops = &tee_shm_dma_buf_ops; - exp_info.size = shm->size; - exp_info.flags = O_RDWR; - exp_info.priv = shm; - - shm->dmabuf = dma_buf_export(&exp_info); - if (IS_ERR(shm->dmabuf)) { - ret = ERR_CAST(shm->dmabuf); - goto err_rem; - } - } - if (ctx) { teedev_ctx_get(ctx); mutex_lock(&teedev->mutex); @@ -191,10 +124,6 @@ static struct tee_shm *__tee_shm_alloc(struct tee_context *ctx, } return shm; -err_rem: - mutex_lock(&teedev->mutex); - idr_remove(&teedev->idr, shm->id); - mutex_unlock(&teedev->mutex); err_pool_free: poolm->ops->free(poolm, shm); err_kfree: @@ -259,6 +188,7 @@ struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr, goto err; } + refcount_set(&shm->refcount, 1); shm->flags = flags | TEE_SHM_REGISTER; shm->teedev = teedev; shm->ctx = ctx; @@ -299,22 +229,6 @@ struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr, goto err; } - if (flags & TEE_SHM_DMA_BUF) { - DEFINE_DMA_BUF_EXPORT_INFO(exp_info); - - exp_info.ops = &tee_shm_dma_buf_ops; - exp_info.size = shm->size; - exp_info.flags = O_RDWR; - exp_info.priv = shm; - - shm->dmabuf = dma_buf_export(&exp_info); - if (IS_ERR(shm->dmabuf)) { - ret = ERR_CAST(shm->dmabuf); - teedev->desc->ops->shm_unregister(ctx, shm); - goto err; - } - } - mutex_lock(&teedev->mutex); list_add_tail(&shm->link, &ctx->list_shm); mutex_unlock(&teedev->mutex); @@ -342,6 +256,35 @@ err: } EXPORT_SYMBOL_GPL(tee_shm_register); +static int tee_shm_fop_release(struct inode *inode, struct file *filp) +{ + tee_shm_put(filp->private_data); + return 0; +} + +static int tee_shm_fop_mmap(struct file *filp, struct vm_area_struct *vma) +{ + struct tee_shm *shm = filp->private_data; + size_t size = vma->vm_end - vma->vm_start; + + /* Refuse sharing shared memory provided by application */ + if (shm->flags & TEE_SHM_USER_MAPPED) + return -EINVAL; + + /* check for overflowing the buffer's size */ + if (vma->vm_pgoff + vma_pages(vma) > shm->size >> PAGE_SHIFT) + return -EINVAL; + + return remap_pfn_range(vma, vma->vm_start, shm->paddr >> PAGE_SHIFT, + size, vma->vm_page_prot); +} + +static const struct file_operations tee_shm_fops = { + .owner = THIS_MODULE, + .release = tee_shm_fop_release, + .mmap = tee_shm_fop_mmap, +}; + /** * tee_shm_get_fd() - Increase reference count and return file descriptor * @shm: Shared memory handle @@ -354,10 +297,11 @@ int tee_shm_get_fd(struct tee_shm *shm) if (!(shm->flags & TEE_SHM_DMA_BUF)) return -EINVAL; - get_dma_buf(shm->dmabuf); - fd = dma_buf_fd(shm->dmabuf, O_CLOEXEC); + /* matched by tee_shm_put() in tee_shm_op_release() */ + refcount_inc(&shm->refcount); + fd = anon_inode_getfd("tee_shm", &tee_shm_fops, shm, O_RDWR); if (fd < 0) - dma_buf_put(shm->dmabuf); + tee_shm_put(shm); return fd; } @@ -367,17 +311,7 @@ int tee_shm_get_fd(struct tee_shm *shm) */ void tee_shm_free(struct tee_shm *shm) { - /* - * dma_buf_put() decreases the dmabuf reference counter and will - * call tee_shm_release() when the last reference is gone. - * - * In the case of driver private memory we call tee_shm_release - * directly instead as it doesn't have a reference counter. - */ - if (shm->flags & TEE_SHM_DMA_BUF) - dma_buf_put(shm->dmabuf); - else - tee_shm_release(shm); + tee_shm_put(shm); } EXPORT_SYMBOL_GPL(tee_shm_free); @@ -484,10 +418,15 @@ struct tee_shm *tee_shm_get_from_id(struct tee_context *ctx, int id) teedev = ctx->teedev; mutex_lock(&teedev->mutex); shm = idr_find(&teedev->idr, id); + /* + * If the tee_shm was found in the IDR it must have a refcount + * larger than 0 due to the guarantee in tee_shm_put() below. So + * it's safe to use refcount_inc(). + */ if (!shm || shm->ctx != ctx) shm = ERR_PTR(-EINVAL); - else if (shm->flags & TEE_SHM_DMA_BUF) - get_dma_buf(shm->dmabuf); + else + refcount_inc(&shm->refcount); mutex_unlock(&teedev->mutex); return shm; } @@ -499,7 +438,25 @@ EXPORT_SYMBOL_GPL(tee_shm_get_from_id); */ void tee_shm_put(struct tee_shm *shm) { - if (shm->flags & TEE_SHM_DMA_BUF) - dma_buf_put(shm->dmabuf); + struct tee_device *teedev = shm->teedev; + bool do_release = false; + + mutex_lock(&teedev->mutex); + if (refcount_dec_and_test(&shm->refcount)) { + /* + * refcount has reached 0, we must now remove it from the + * IDR before releasing the mutex. This will guarantee that + * the refcount_inc() in tee_shm_get_from_id() never starts + * from 0. + */ + idr_remove(&teedev->idr, shm->id); + if (shm->ctx) + list_del(&shm->link); + do_release = true; + } + mutex_unlock(&teedev->mutex); + + if (do_release) + tee_shm_release(teedev, shm); } EXPORT_SYMBOL_GPL(tee_shm_put); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index e6805492409f..f07008212474 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1698,11 +1698,15 @@ static void ffs_data_clear(struct ffs_data *ffs) BUG_ON(ffs->gadget); - if (ffs->epfiles) + if (ffs->epfiles) { ffs_epfiles_destroy(ffs->epfiles, ffs->eps_count); + ffs->epfiles = NULL; + } - if (ffs->ffs_eventfd) + if (ffs->ffs_eventfd) { eventfd_ctx_put(ffs->ffs_eventfd); + ffs->ffs_eventfd = NULL; + } kfree(ffs->raw_descs_data); kfree(ffs->raw_strings); @@ -1715,7 +1719,6 @@ static void ffs_data_reset(struct ffs_data *ffs) ffs_data_clear(ffs); - ffs->epfiles = NULL; ffs->raw_descs_data = NULL; ffs->raw_descs = NULL; ffs->raw_strings = NULL; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index d707993ac921..e6bbb9195554 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -90,7 +90,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) /* Look for vendor-specific quirks */ if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC && (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK || - pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1100 || pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1400)) { if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK && pdev->revision == 0x0) { @@ -125,6 +124,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1009) xhci->quirks |= XHCI_BROKEN_STREAMS; + if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC && + pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1100) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->vendor == PCI_VENDOR_ID_NEC) xhci->quirks |= XHCI_NEC_HOST; diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c index 270721cf229f..07a6ee8db612 100644 --- a/drivers/usb/mtu3/mtu3_gadget.c +++ b/drivers/usb/mtu3/mtu3_gadget.c @@ -98,6 +98,13 @@ static int mtu3_ep_enable(struct mtu3_ep *mep) mult = usb_endpoint_maxp_mult(desc) - 1; } break; + case USB_SPEED_FULL: + if (usb_endpoint_xfer_isoc(desc)) + interval = clamp_val(desc->bInterval, 1, 16); + else if (usb_endpoint_xfer_int(desc)) + interval = clamp_val(desc->bInterval, 1, 255); + + break; default: break; /*others are ignored */ } |