blk-throttle: Free up policy node associated with deleted rule

If a rule is being deleted, free up associated policy node. Otherwise that memory is leaked. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
git-mirror · Oct 25, 2011 · e060f00 · e060f00
1 parent 5e08159
commit e060f00
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
@@ -1075,6 +1075,7 @@ static int blkiocg_file_write(struct cgroup *cgrp, struct cftype *cft,
 
 	if (blkio_delete_rule_command(newpn)) {
 		blkio_policy_delete_node(pn);
+		kfree(pn);
 		spin_unlock_irq(&blkcg->lock);
 		goto update_io_group;
 	}