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-rw-r--r--block/cfq-iosched.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index ae21919f15e1..aae94473b581 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -4015,6 +4015,11 @@ static void *cfq_init_queue(struct request_queue *q)
if (blkio_alloc_blkg_stats(&cfqg->blkg)) {
kfree(cfqg);
+
+ spin_lock(&cic_index_lock);
+ ida_remove(&cic_index_ida, cfqd->cic_index);
+ spin_unlock(&cic_index_lock);
+
kfree(cfqd);
return NULL;
}