This was found with a static checker and has not been tested, but it seems
pretty clear that the mutex_lock() was supposed to be mutex_unlock()
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>