On Thu, Sep 29, 2016 at 08:33:30AM -0700, Bart Van Assche wrote:
> Unlocking a mutex twice is wrong. Hence modify blkcg_policy_register()
> such that blkcg_pol_mutex is unlocked once if cpd == NULL. This patch
> avoids that smatch reports the following error:
>
> block/blk-cgroup.c:1378: blkcg_pol
Unlocking a mutex twice is wrong. Hence modify blkcg_policy_register()
such that blkcg_pol_mutex is unlocked once if cpd == NULL. This patch
avoids that smatch reports the following error:
block/blk-cgroup.c:1378: blkcg_policy_register() error: double unlock
'mutex:&blkcg_pol_mutex'
Fixes: 06b28