platform/x86: wmi: release mutex on module acquistion failure

This failure mode should have also released the mutex.

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
This commit is contained in:
Mario Limonciello 2017-11-05 21:34:33 -06:00 • committed by Darren Hart (VMware)
commit 5e3e22971f