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ext4: fix buffer leak in ext4_xattr_get_block() on error path

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Fixes: dec214d00e ("ext4: xattr inode deduplication")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 4.13
This commit is contained in:
Vasily Averin
2018-11-07 11:01:33 -05:00
committed by Theodore Ts'o
parent af18e35bfd
commit ecaaf40847
1 changed files with 3 additions and 1 deletions
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4
fs/ext4/xattr.c
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@@ -2272,8 +2272,10 @@ static struct buffer_head *ext4_xattr_get_block(struct inode *inode)
if (!bh) if (!bh)
return ERR_PTR(-EIO); return ERR_PTR(-EIO);
error = ext4_xattr_check_block(inode, bh); error = ext4_xattr_check_block(inode, bh);
if (error) if (error) {
brelse(bh);
return ERR_PTR(error); return ERR_PTR(error);
}
return bh; return bh;
} }