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-rw-r--r--block/blk-mq.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 687ec3f4f10d..afad6d06eaf7 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -4379,9 +4379,13 @@ static int blk_mq_realloc_tag_set_tags(struct blk_mq_tag_set *set,
int new_nr_hw_queues)
{
struct blk_mq_tags **new_tags;
+ int i;
- if (set->nr_hw_queues >= new_nr_hw_queues)
+ if (set->nr_hw_queues >= new_nr_hw_queues) {
+ for (i = new_nr_hw_queues; i < set->nr_hw_queues; i++)
+ __blk_mq_free_map_and_rqs(set, i);
goto done;
+ }
new_tags = kcalloc_node(new_nr_hw_queues, sizeof(struct blk_mq_tags *),
GFP_KERNEL, set->numa_node);