From: Andrew Morton <akpm@linux-foundation.org>
Date: Fri, 8 Jan 2010 22:42:39 +0000 (-0800)
Subject: percpu: avoid calling __pcpu_ptr_to_addr(NULL)
X-Git-Tag: v2.6.33-rc4~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=129182e5626972ac0df85d43a36dd46ad61c64e1;p=pandora-kernel.git

percpu: avoid calling __pcpu_ptr_to_addr(NULL)

__pcpu_ptr_to_addr() can be overridden by the architecture and might not
behave well if passed a NULL pointer.  So avoid calling it until we have
verified that its arg is not NULL.

Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

Reading git-diff-tree failed