4.9-stable review patch. If anyone has any objections, please let me know.
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From: Vasily Averin vvs@virtuozzo.com
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
--- fs/ext4/xattr.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -1221,6 +1221,8 @@ ext4_xattr_set_handle(handle_t *handle, 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;