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From:   Vasily Averin <vvs@virtuozzo.com>
Subject: [PATCH 4/7] ext4: lost brelse in ext4_xattr_get_block()
To:     linux-ext4@vger.kernel.org, Theodore Ts'o <tytso@mit.edu>
Cc:     Andreas Dilger <adilger.kernel@dilger.ca>,
        linux-kernel@vger.kernel.org
References: <cover.1541011937.git.vvs@virtuozzo.com>
Message-ID: <42b953ae-72de-4196-09b3-dbac68af9c85@virtuozzo.com>
Date:   Wed, 31 Oct 2018 22:12:43 +0300
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Fixes dec214d00e0d ("ext4: xattr inode deduplication") # 4.13

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
---
 fs/ext4/xattr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index dc1aeab06dba..07c3a115f7ae 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -2272,8 +2272,10 @@ static struct buffer_head *ext4_xattr_get_block(struct inode *inode)
 	if (!bh)
 		return ERR_PTR(-EIO);
 	error = ext4_xattr_check_block(inode, bh);
-	if (error)
+	if (error) {
+		brelse(bh);
 		return ERR_PTR(error);
+	}
 	return bh;
 }
 
-- 
2.17.1