From: Oleg Nesterov <oleg@redhat.com>
Date: Sun, 6 Mar 2011 17:02:21 +0000 (+0100)
Subject: exec: introduce get_user_arg_ptr() helper
X-Git-Tag: v3.0-rc1~352^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d1dbf8135ab2f3603cc72e39e0f68784f453c39;p=pandora-kernel.git

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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