From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Sat, 24 Nov 2012 21:17:13 +0000 (+0400)
Subject: mm, percpu: Make sure percpu_alloc early parameter has an argument
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~58^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5479c78ac6f688ea5ea8c49b44cf90ea87b63931;p=pandora-kernel.git

mm, percpu: Make sure percpu_alloc early parameter has an argument

Otherwise we are getting a nil dereference if percpu_alloc kernel boot
argument is specified without value.

 | [    0.000000] BUG: unable to handle kernel NULL pointer dereference at           (null)
 | [    0.000000] IP: [<ffffffff81391360>] strcmp+0x10/0x30

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

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