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umc-bus.c: fix usage of device_trylock

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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 <claudio@evidence.eu.com>
Signed-off-by: Bruno Morelli <bruno@evidence.eu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Claudio Scordino 2012-10-09 12:21:17 +02:00 committed by Greg Kroah-Hartman
parent 6f602912c9
commit b717727ef2
1 changed files with 1 additions and 1 deletions
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2
drivers/uwb/umc-bus.c
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@ -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)