| Message ID | 20231229021220.7337-1-liuwei09@cestc.cn (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | block/blk_mq: Only call kfree when set->tags isn't null | expand |
diff --git a/block/blk-mq.c b/block/blk-mq.c index ac18f802c027..07a3fc01d54b 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -4409,10 +4409,11 @@ static int blk_mq_realloc_tag_set_tags(struct blk_mq_tag_set *set, if (!new_tags) return -ENOMEM; - if (set->tags) + if (set->tags) { memcpy(new_tags, set->tags, set->nr_hw_queues * sizeof(*set->tags)); - kfree(set->tags); + kfree(set->tags); + } set->tags = new_tags; for (i = set->nr_hw_queues; i < new_nr_hw_queues; i++) {
In function blk_mq_realloc_tag_set_tags, there is a check on set->tags, but kfree should only be called when set->tags isn't null Signed-off-by: Liu Wei <liuwei09@cestc.cn> --- block/blk-mq.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)