blk_mq_flush_plug_list() itself will do the empty check of mq_list, so remove such check in blk_flush_plug_list(). Actually normally mq_list is not empty when blk_flush_plug_list is called. Signed-off-by: Xianting Tian <tian.xianting@xxxxxxx> --- block/blk-core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 10c08ac50..dda301610 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1864,8 +1864,7 @@ void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule) { flush_plug_callbacks(plug, from_schedule); - if (!list_empty(&plug->mq_list)) - blk_mq_flush_plug_list(plug, from_schedule); + blk_mq_flush_plug_list(plug, from_schedule); } /** -- 2.17.1