From: Christoph Hellwig <hch@lst.de>
Date: Fri, 3 Feb 2023 15:03:46 +0000 (+0100)
Subject: blk-cgroup: remove the !bdi->dev check in blkg_dev_name
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=180b04d450a7137270c12dbb6bebf1d5e6c0a6f2;p=linux.git

blk-cgroup: remove the !bdi->dev check in blkg_dev_name

bdi_dev_name already performs the same check.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230203150400.3199230-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 1038688568926..0b3226cbf3f25 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -572,7 +572,7 @@ static int blkcg_reset_stats(struct cgroup_subsys_state *css,
 
 const char *blkg_dev_name(struct blkcg_gq *blkg)
 {
-	if (!blkg->q->disk || !blkg->q->disk->bdi->dev)
+	if (!blkg->q->disk)
 		return NULL;
 	return bdi_dev_name(blkg->q->disk->bdi);
 }