linux-kernel - [PATCH] bcachefs: Fix error path of bch2_link

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Date: Tue, 30 Apr 2024 11:28:39 +0800
From: Youling Tang <youling.tang@...ux.dev>
To: Kent Overstreet <kent.overstreet@...ux.dev>
Cc: linux-bcachefs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Youling Tang <tangyouling@...inos.cn>
Subject: [PATCH] bcachefs: Fix error path of bch2_link_trans()

From: Youling Tang <tangyouling@...inos.cn>

In bch2_link_trans(), if bch2_inode_nlink_inc() fails, it needs to
call bch2_trans_iter_exit() in the error path.

Signed-off-by: Youling Tang <tangyouling@...inos.cn>
---
 fs/bcachefs/fs-common.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/bcachefs/fs-common.c b/fs/bcachefs/fs-common.c
index 6c737def357e..508d029ac53d 100644
--- a/fs/bcachefs/fs-common.c
+++ b/fs/bcachefs/fs-common.c
@@ -200,12 +200,12 @@ int bch2_link_trans(struct btree_trans *trans,
 
 	ret = bch2_inode_peek(trans, &inode_iter, inode_u, inum, BTREE_ITER_intent);
 	if (ret)
-		goto err;
+		return ret;
 
 	inode_u->bi_ctime = now;
 	ret = bch2_inode_nlink_inc(inode_u);
 	if (ret)
-		return ret;
+		goto err;
 
 	ret = bch2_inode_peek(trans, &dir_iter, dir_u, dir, BTREE_ITER_intent);
 	if (ret)
-- 
2.34.1