Cyrill Gorcunov 5479c78ac6 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>

2012-12-02 06:23:04 -08:00

57 KiB

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