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| 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 /kernel/stacktrace.c | |
| parent | Merge branches 'irq/sparseirq', 'irq/genirq' and 'irq/urgent'; commit 'v2.6.2... (diff) | |
| download | linux-efdc64f0c792ea744bcc9203f35b908e66d42f41.tar.gz linux-efdc64f0c792ea744bcc9203f35b908e66d42f41.zip | |
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 'kernel/stacktrace.c')
0 files changed, 0 insertions, 0 deletions