tree 010e8455fa5e53e68c76b949b4abd39876c2921f
parent c988fd045f1195e62c0970384903ab9da26a9359
author Joel Becker <joel.becker@oracle.com> 1224552043 -0700
committer Mark Fasheh <mfasheh@suse.com> 1226339504 -0800

ocfs2: Check xattr block signatures properly.

The xattr.c code is currently memcmp()ing naking buffer pointers.
Create the OCFS2_IS_VALID_XATTR_BLOCK() macro to match its peers and use
that.

In addition, failed signature checks were returning -EFAULT, which is
completely wrong.  Return -EIO.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>