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From: Zhaolong Zhang <zhangzl2013@126.com>
To: Theodore Ts'o <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>
Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
	Zhaolong Zhang <zhangzl2013@126.com>
Subject: [PATCH] ext4: fix bh ref count on error paths
Date: Tue,  2 Mar 2021 17:42:31 +0800	[thread overview]
Message-ID: <1614678151-70481-1-git-send-email-zhangzl2013@126.com> (raw)

__ext4_journalled_writepage should drop bhs' ref count on error paths

Signed-off-by: Zhaolong Zhang <zhangzl2013@126.com>
---
 fs/ext4/inode.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 650c5acd2f2d..a79a9ea58c56 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1938,13 +1938,13 @@ static int __ext4_journalled_writepage(struct page *page,
 	if (!ret)
 		ret = err;
 
-	if (!ext4_has_inline_data(inode))
-		ext4_walk_page_buffers(NULL, page_bufs, 0, len,
-				       NULL, bput_one);
 	ext4_set_inode_state(inode, EXT4_STATE_JDATA);
 out:
 	unlock_page(page);
 out_no_pagelock:
+	if (!inline_data && page_bufs)
+		ext4_walk_page_buffers(NULL, page_bufs, 0, len,
+				       NULL, bput_one);
 	brelse(inode_bh);
 	return ret;
 }
-- 
2.26.1


             reply	other threads:[~2021-03-02 11:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-02  9:42 Zhaolong Zhang [this message]
2021-03-05 14:39 ` [PATCH] ext4: fix bh ref count on error paths Theodore Ts'o

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