diff options
| author | Wang Chen <wangchen@cn.fujitsu.com> | 2008-12-29 13:35:11 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-29 12:22:29 +0100 |
| commit | efdc64f0c792ea744bcc9203f35b908e66d42f41 (patch) | |
| tree | 014d9895f776d98bf933855e5af2da99d5b34824 /arch/powerpc/mm | |
| parent | 860cf8894b326e4b89720f520540604834337b72 (diff) | |
genirq: check chip->ack before calling
Impact: fix theoretical NULL dereference
The generic irq layer doesn't know whether irq_chip has ack routine on some
architectures or not. Upon that, before calling chip->ack, we should check
that it's not NULL.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/mm')
0 files changed, 0 insertions, 0 deletions