linux-kernel - [PATCH 7/7] ext4: lost brelse in ext4_expand_extra_isize

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Message-ID: <c5dc2118-ac42-c899-f218-4a78aa39c37f@virtuozzo.com>
Date:   Wed, 31 Oct 2018 22:13:09 +0300
From:   Vasily Averin <vvs@...tuozzo.com>
To:     linux-ext4@...r.kernel.org, Theodore Ts'o <tytso@....edu>
Cc:     Andreas Dilger <adilger.kernel@...ger.ca>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 7/7] ext4: lost brelse in ext4_expand_extra_isize_ea()

Fixes de05ca852679 ("ext4: move call to ext4_error() into ...") # 4.17

Signed-off-by: Vasily Averin <vvs@...tuozzo.com>
---
 fs/ext4/xattr.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 5c9bc0d85cc0..0b9688683526 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -2698,7 +2698,6 @@ int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
 			       struct ext4_inode *raw_inode, handle_t *handle)
 {
 	struct ext4_xattr_ibody_header *header;
-	struct buffer_head *bh;
 	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 	static unsigned int mnt_count;
 	size_t min_offs;
@@ -2739,13 +2738,17 @@ int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
 	 * EA block can hold new_extra_isize bytes.
 	 */
 	if (EXT4_I(inode)->i_file_acl) {
+		struct buffer_head *bh;
+
 		bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
 		error = -EIO;
 		if (!bh)
 			goto cleanup;
 		error = ext4_xattr_check_block(inode, bh);
-		if (error)
+		if (error) {
+			brelse(bh);
 			goto cleanup;
+		}
 		base = BHDR(bh);
 		end = bh->b_data + bh->b_size;
 		min_offs = end - base;
-- 
2.17.1