From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 28 Mar 2012 21:42:52 +0000 (-0700)
Subject: fs/proc/namespaces.c: prevent crash when ns_entries[] is empty
X-Git-Tag: v3.4-rc1~53^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c619aa0ba171c092a0ae5d969364deb82dbe371;p=pandora-kernel.git

fs/proc/namespaces.c: prevent crash when ns_entries[] is empty

If CONFIG_NET_NS, CONFIG_UTS_NS and CONFIG_IPC_NS are disabled,
ns_entries[] becomes empty and things like
ns_entries[ARRAY_SIZE(ns_entries) - 1] will explode.

Reported-by: Richard Weinberger <richard@nod.at>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Daniel Lezcano <daniel.lezcano@free.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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