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Subject[PATCH 4.9 03/35] ext4: fix bh ref count on error paths
Date
From: Zhaolong Zhang <zhangzl2013@126.com>

[ Upstream commit c915fb80eaa6194fa9bd0a4487705cd5b0dda2f1 ]

__ext4_journalled_writepage should drop bhs' ref count on error paths

Signed-off-by: Zhaolong Zhang <zhangzl2013@126.com>
Link: https://lore.kernel.org/r/1614678151-70481-1-git-send-email-zhangzl2013@126.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 aa97a3ed3d8f..79c067f74253 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1978,13 +1978,13 @@ 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;
}
--
2.30.1


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