ext4: release bs.bh before re-using in ext4_xattr_block_find()

commit 45ae932d246f721e6584430017176cbcadfde610 upstream.

bs.bh was taken in previous ext4_xattr_block_find() call,
it should be released before re-using

Fixes: 7e01c8e5420b ("ext3/4: fix uninitialized bs in ...")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 2.6.26
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 3e6f326c348033f83883d741600589fee7b3049e..49b3d9b038e02902dbbbab8b794cf6a0fc8765c9 100644 (file)
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -2404,6 +2404,8 @@ retry_inode:
                        error = ext4_xattr_block_set(handle, inode, &i, &bs);
                } else if (error == -ENOSPC) {
                        if (EXT4_I(inode)->i_file_acl && !bs.s.base) {
+                               brelse(bs.bh);
+                               bs.bh = NULL;
                                error = ext4_xattr_block_find(inode, &i, &bs);
                                if (error)
                                        goto cleanup;