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path: root/drivers/media/usb/go7007
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Diffstat (limited to 'drivers/media/usb/go7007')
-rw-r--r--drivers/media/usb/go7007/go7007-driver.c8
-rw-r--r--drivers/media/usb/go7007/go7007-i2c.c2
-rw-r--r--drivers/media/usb/go7007/go7007-usb.c4
3 files changed, 8 insertions, 6 deletions
diff --git a/drivers/media/usb/go7007/go7007-driver.c b/drivers/media/usb/go7007/go7007-driver.c
index b9302d77d6c8..8ee0d5ea8415 100644
--- a/drivers/media/usb/go7007/go7007-driver.c
+++ b/drivers/media/usb/go7007/go7007-driver.c
@@ -80,7 +80,7 @@ static int go7007_load_encoder(struct go7007 *go)
const struct firmware *fw_entry;
char fw_name[] = "go7007/go7007fw.bin";
void *bounce;
- int fw_len, rv = 0;
+ int fw_len;
u16 intr_val, intr_data;
if (go->boot_fw == NULL) {
@@ -109,9 +109,11 @@ static int go7007_load_encoder(struct go7007 *go)
go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
(intr_val & ~0x1) != 0x5a5a) {
v4l2_err(go, "error transferring firmware\n");
- rv = -1;
+ kfree(go->boot_fw);
+ go->boot_fw = NULL;
+ return -1;
}
- return rv;
+ return 0;
}
MODULE_FIRMWARE("go7007/go7007fw.bin");
diff --git a/drivers/media/usb/go7007/go7007-i2c.c b/drivers/media/usb/go7007/go7007-i2c.c
index 38339dd2f83f..2880370e45c8 100644
--- a/drivers/media/usb/go7007/go7007-i2c.c
+++ b/drivers/media/usb/go7007/go7007-i2c.c
@@ -165,8 +165,6 @@ static int go7007_i2c_master_xfer(struct i2c_adapter *adapter,
} else if (msgs[i].len == 3) {
if (msgs[i].flags & I2C_M_RD)
return -EIO;
- if (msgs[i].len != 3)
- return -EIO;
if (go7007_i2c_xfer(go, msgs[i].addr, 0,
(msgs[i].buf[0] << 8) | msgs[i].buf[1],
0x01, &msgs[i].buf[2]) < 0)
diff --git a/drivers/media/usb/go7007/go7007-usb.c b/drivers/media/usb/go7007/go7007-usb.c
index f889c9d740cd..1cfe8371511d 100644
--- a/drivers/media/usb/go7007/go7007-usb.c
+++ b/drivers/media/usb/go7007/go7007-usb.c
@@ -1198,7 +1198,9 @@ static int go7007_usb_probe(struct usb_interface *intf,
u16 channel;
/* read channel number from GPIO[1:0] */
- go7007_read_addr(go, 0x3c81, &channel);
+ if (go7007_read_addr(go, 0x3c81, &channel))
+ goto allocfail;
+
channel &= 0x3;
go->board_id = GO7007_BOARDID_ADLINK_MPG24;
usb->board = board = &board_adlink_mpg24;