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Commit b717727e authored by Claudio Scordino's avatar Claudio Scordino Committed by Greg Kroah-Hartman
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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: default avatarClaudio Scordino <claudio@evidence.eu.com>
Signed-off-by: default avatarBruno Morelli <bruno@evidence.eu.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6f602912

drivers/uwb/umc-bus.c

+1 −1
Original line number Diff line number Diff line
@@ -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)