From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sun, 19 May 2024 21:07:32 +0000 (-0400)
Subject: bcachefs: Fix ref in trans_mark_dev_sbs() error path
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9667214b30ef19c1cbead7893257619bca4d0d4d;p=linux.git

bcachefs: Fix ref in trans_mark_dev_sbs() error path

Reported-by: syzbot+5c7f715a7107a608a544@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---

diff --git a/fs/bcachefs/buckets.c b/fs/bcachefs/buckets.c
index 02bb02b709819..b469586517a86 100644
--- a/fs/bcachefs/buckets.c
+++ b/fs/bcachefs/buckets.c
@@ -1465,7 +1465,7 @@ int bch2_trans_mark_dev_sbs_flags(struct bch_fs *c,
 	for_each_online_member(c, ca) {
 		int ret = bch2_trans_mark_dev_sb(c, ca, flags);
 		if (ret) {
-			bch2_dev_put(ca);
+			percpu_ref_put(&ca->io_ref);
 			return ret;
 		}
 	}