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Date: Thu, 25 Mar 2021 07:26:28 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Zhaolong Zhang <zhangzl2013@....com>, Theodore Ts'o <tytso@....edu>, Sasha Levin <sashal@...nel.org>, linux-ext4@...r.kernel.org Subject: [PATCH AUTOSEL 5.4 02/24] ext4: fix bh ref count on error paths From: Zhaolong Zhang <zhangzl2013@....com> [ Upstream commit c915fb80eaa6194fa9bd0a4487705cd5b0dda2f1 ] __ext4_journalled_writepage should drop bhs' ref count on error paths Signed-off-by: Zhaolong Zhang <zhangzl2013@....com> Link: https://lore.kernel.org/r/1614678151-70481-1-git-send-email-zhangzl2013@126.com Signed-off-by: Theodore Ts'o <tytso@....edu> Signed-off-by: Sasha Levin <sashal@...nel.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 539d95bd364d..7e3eef597655 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2076,13 +2076,13 @@ 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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