From 1d1dbf8135ab2f3603cc72e39e0f68784f453c39 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Sun, 6 Mar 2011 18:02:21 +0100
Subject: [PATCH] exec: introduce get_user_arg_ptr() helper

Introduce get_user_arg_ptr() helper, convert count() and copy_strings()
to use it.

No functional changes, preparation. This helper is trivial, it just
reads the pointer from argv/envp user-space array.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Tested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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Reading git-format-patch failed