diff options
| author |   Andrew Morton <akpm@linux-foundation.org> | 2010-01-08 14:42:39 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-11 09:34:04 -0800 |
| commit | 129182e5626972ac0df85d43a36dd46ad61c64e1 (patch) | |
| tree | c91d17c697aa29d284dbe065423e01ca7020db73 /lib | |
| parent | kmod: fix resource leak in call_usermodehelper_pipe() (diff) | |
| download | linux-dev-129182e5626972ac0df85d43a36dd46ad61c64e1.tar.xz linux-dev-129182e5626972ac0df85d43a36dd46ad61c64e1.zip | |
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>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions