diff options
Diffstat (limited to 'kernel/drivers/media/usb/em28xx/em28xx-i2c.c')
| -rw-r--r-- | kernel/drivers/media/usb/em28xx/em28xx-i2c.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/drivers/media/usb/em28xx/em28xx-i2c.c b/kernel/drivers/media/usb/em28xx/em28xx-i2c.c index a19b5c8b5..1a9e1e556 100644 --- a/kernel/drivers/media/usb/em28xx/em28xx-i2c.c +++ b/kernel/drivers/media/usb/em28xx/em28xx-i2c.c @@ -507,9 +507,8 @@ static int em28xx_i2c_xfer(struct i2c_adapter *i2c_adap, if (dev->disconnected) return -ENODEV; - rc = rt_mutex_trylock(&dev->i2c_bus_lock); - if (rc < 0) - return rc; + if (!rt_mutex_trylock(&dev->i2c_bus_lock)) + return -EAGAIN; /* Switch I2C bus if needed */ if (bus != dev->cur_i2c_bus && |