X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fmedia%2Fusb%2Fem28xx%2Fem28xx-i2c.c;fp=kernel%2Fdrivers%2Fmedia%2Fusb%2Fem28xx%2Fem28xx-i2c.c;h=1a9e1e556706c46fae02f66be22b7690b0647e8f;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=a19b5c8b56ff79301d6f24d186ce54639efe6304;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

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 &&