| commit | 129182e5626972ac0df85d43a36dd46ad61c64e1 | [log] [tgz] |
|---|---|---|
| author | Andrew Morton <akpm@linux-foundation.org> | Fri Jan 08 14:42:39 2010 -0800 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Mon Jan 11 09:34:04 2010 -0800 |
| tree | c91d17c697aa29d284dbe065423e01ca7020db73 | |
| parent | 8767ba2796a1c894e6d9524584a26a8224f0543d [diff] |
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>