diff options
Diffstat (limited to 'drivers/media/i2c/tda9840.c')
| -rw-r--r-- | drivers/media/i2c/tda9840.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/i2c/tda9840.c b/drivers/media/i2c/tda9840.c index f31e659588ac..0dd6ff3e6201 100644 --- a/drivers/media/i2c/tda9840.c +++ b/drivers/media/i2c/tda9840.c @@ -68,11 +68,15 @@ static void tda9840_write(struct v4l2_subdev *sd, u8 reg, u8 val) static int tda9840_status(struct v4l2_subdev *sd) { struct i2c_client *client = v4l2_get_subdevdata(sd); + int rc; u8 byte; - if (1 != i2c_master_recv(client, &byte, 1)) { + rc = i2c_master_recv(client, &byte, 1); + if (rc != 1) { v4l2_dbg(1, debug, sd, "i2c_master_recv() failed\n"); + if (rc < 0) + return rc; return -EIO; } |