umc-bus.c: fix usage of device_trylock

Fix usage of device_trylock. It has the same semantics of mutex_trylock, so it returns 1 if the lock has been acquired successfully. Signed-off-by: Claudio Scordino <[email protected]> Signed-off-by: Bruno Morelli <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
josf · Oct 25, 2012 · b717727 · b717727
1 parent 6f60291
commit b717727
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/uwb/umc-bus.c b/drivers/uwb/umc-bus.c
@@ -63,7 +63,7 @@ int umc_controller_reset(struct umc_dev *umc)
 	struct device *parent = umc->dev.parent;
 	int ret = 0;
 
-	if (device_trylock(parent))
+	if (!device_trylock(parent))
 		return -EAGAIN;
 	ret = device_for_each_child(parent, parent, umc_bus_pre_reset_helper);
 	if (ret >= 0)