umc-bus.c: fix usage of device_trylock

Hi all.

I've probably found a wrong usage of device_trylock inside the driver umc-bus.c: device_trylock has the same semantics of mutex_trylock, so it returns 1 if the lock has been acquired successfully.

Please, find below a patch.

Best regards,

Claudio

Subject: umc-bus.c: fix usage of device_trylock
From: Claudio Scordino <[email protected]>

device_trylock has the same semantics of mutex_trylock, so it returns 1 if the lock has been acquired successfully.

---
 drivers/uwb/umc-bus.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

index 82a84d5..5c5b3fc 100644
@@ -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)

1.7.1