From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 22 Jul 2008 13:59:21 +0000 (-0400)
Subject: [PATCH] sanitize __user_walk_fd() et.al.
X-Git-Tag: v2.6.27-rc1~73^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d8f30380ab8c706f4e0a8f1aaa22b5886e9ac8a;p=pandora-kernel.git

[PATCH] sanitize __user_walk_fd() et.al.

* do not pass nameidata; struct path is all the callers want.
* switch to new helpers:
	user_path_at(dfd, pathname, flags, &path)
	user_path(pathname, &path)
	user_lpath(pathname, &path)
	user_path_dir(pathname, &path)  (fail if not a directory)
  The last 3 are trivial macro wrappers for the first one.
* remove nameidata in callers.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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