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-rw-r--r--block/cfq-iosched.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index b66365b6ba77..4f0ade74cfd0 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1697,7 +1697,6 @@ static int __cfq_set_weight(struct cgroup *cgrp, struct cftype *cft, u64 val,
{
struct blkcg *blkcg = cgroup_to_blkcg(cgrp);
struct blkcg_gq *blkg;
- struct hlist_node *n;
if (val < CFQ_WEIGHT_MIN || val > CFQ_WEIGHT_MAX)
return -EINVAL;
@@ -1709,7 +1708,7 @@ static int __cfq_set_weight(struct cgroup *cgrp, struct cftype *cft, u64 val,
else
blkcg->cfq_leaf_weight = val;
- hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) {
+ hlist_for_each_entry(blkg, &blkcg->blkg_list, blkcg_node) {
struct cfq_group *cfqg = blkg_to_cfqg(blkg);
if (!cfqg)
@@ -3594,6 +3593,8 @@ retry:
spin_lock_irq(cfqd->queue->queue_lock);
if (new_cfqq)
goto retry;
+ else
+ return &cfqd->oom_cfqq;
} else {
cfqq = kmem_cache_alloc_node(cfq_pool,
gfp_mask | __GFP_ZERO,