On Wed, Jun 01, 2022 at 12:53:23PM -0400, Waiman Long wrote: > Commit f73316482977 ("blk-cgroup: reimplement basic IO stats using cgroup > rstat") changes block cgroup IO stats to use the rstat APIs. It added > a new percpu iostat_cpu field into blkg. The blkg_alloc() was modified > to allocate the new percpu iostat_cpu but didn't free it when an error > happened. Fix this by freeing the percpu iostat_cpu on error exit. > > Fixes: f73316482977 ("blk-cgroup: reimplement basic IO stats using cgroup rstat") > Signed-off-by: Waiman Long <longman@xxxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun