tree 435643478dd7d18449bccc602abda1fee4e13d98
parent 1371c893ff9de0d57fa5b5cf0255d66b8849e13d
author Cyrill Gorcunov <gorcunov@gmail.com> 1219275705 -0700
committer Andi Kleen <ak@linux.intel.com> 1219301139 +0200

acpi: add checking for NULL early param

The early_param handling function could recieve NULL pointer as argument
in case if user didn't enter parameter value.  So we have to be ready for
a such situation and do check for NULL pointer if needed.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@linux.intel.com>