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Commit ef041934 authored by Zhaolong Zhang's avatar Zhaolong Zhang Committed by Greg Kroah-Hartman
Browse files

ext4: fix bh ref count on error paths 



[ Upstream commit c915fb80eaa6194fa9bd0a4487705cd5b0dda2f1 ]

__ext4_journalled_writepage should drop bhs' ref count on error paths

Signed-off-by: default avatarZhaolong Zhang <zhangzl2013@126.com>
Link: https://lore.kernel.org/r/1614678151-70481-1-git-send-email-zhangzl2013@126.com


Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent e20bdf90

fs/ext4/inode.c

+3 −3
Original line number Diff line number Diff line
@@ -1824,13 +1824,13 @@ 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;

}