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(parent: b4916cb) | patch
mm, percpu: Make sure percpu_alloc early parameter has an argument
authorCyrill Gorcunov <gorcunov@openvz.org>
Sat, 24 Nov 2012 21:17:13 +0000 (01:17 +0400)
committerTejun Heo <tj@kernel.org>
Sun, 2 Dec 2012 14:23:04 +0000 (06:23 -0800)
commit5479c78ac6f688ea5ea8c49b44cf90ea87b63931
tree449331a4649fb1dd019509d6c5a7ae71bbc05157tree | snapshot
parentb4916cb17c261a6043bcb2a98d0d6512497a7cf8commit | diff
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>
mm/percpu.c diff | blob | history
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