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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Zhaolong Zhang <zhangzl2013@126.com>,
	Theodore Ts'o <tytso@mit.edu>, Sasha Levin <sashal@kernel.org>,
	linux-ext4@vger.kernel.org
Subject: [PATCH AUTOSEL 4.4 01/10] ext4: fix bh ref count on error paths
Date: Thu, 25 Mar 2021 07:28:22 -0400	[thread overview]
Message-ID: <20210325112832.1928898-1-sashal@kernel.org> (raw)

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 881601691bd4..336e5c8f423e 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1825,13 +1825,13 @@ 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


             reply	other threads:[~2021-03-25 11:40 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-25 11:28 Sasha Levin [this message]
2021-03-25 11:28 ` [PATCH AUTOSEL 4.4 02/10] rpc: fix NULL dereference on kmalloc failure Sasha Levin
2021-03-25 11:28 ` [PATCH AUTOSEL 4.4 03/10] ASoC: rt5640: Fix dac- and adc- vol-tlv values being off by a factor of 10 Sasha Levin
2021-03-25 11:28 ` [PATCH AUTOSEL 4.4 04/10] ASoC: rt5651: " Sasha Levin
2021-03-25 11:28 ` [PATCH AUTOSEL 4.4 05/10] ASoC: sgtl5000: set DAP_AVC_CTRL register to correct default value on probe Sasha Levin
2021-03-25 11:28 ` [PATCH AUTOSEL 4.4 06/10] scsi: st: Fix a use after free in st_open() Sasha Levin
2021-03-25 11:28 ` [PATCH AUTOSEL 4.4 07/10] scsi: qla2xxx: Fix broken #endif placement Sasha Levin
2021-03-25 11:28 ` [PATCH AUTOSEL 4.4 08/10] staging: comedi: cb_pcidas: fix request_irq() warn Sasha Levin
2021-03-25 11:28 ` [PATCH AUTOSEL 4.4 09/10] staging: comedi: cb_pcidas64: " Sasha Levin
2021-03-25 11:28 ` [PATCH AUTOSEL 4.4 10/10] ext4: do not iput inode under running transaction in ext4_rename() Sasha Levin

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