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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-31 08:19:48 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-31 08:19:48 +0100 |
| commit | 818fa7f3908c7bd6c0045e9d94dc23a899ef6144 (patch) | |
| tree | ad3435c3f57c8222ad61709b716168932f13be6c /arch/x86/kernel/irq.c | |
| parent | 3fd4bc015ef879a7d2b955ce97fb125e3a51ba7e (diff) | |
| parent | 5fdf7e5975a0b0f6a0370655612c5dca3fd6311b (diff) | |
| download | op-kernel-dev-818fa7f3908c7bd6c0045e9d94dc23a899ef6144.zip op-kernel-dev-818fa7f3908c7bd6c0045e9d94dc23a899ef6144.tar.gz | |
Merge branch 'tracing/kmemtrace' into tracing/kmemtrace2
Diffstat (limited to 'arch/x86/kernel/irq.c')
| -rw-r--r-- | arch/x86/kernel/irq.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index d1d4dc5..3f1d9d1 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -118,6 +118,9 @@ int show_interrupts(struct seq_file *p, void *v) } desc = irq_to_desc(i); + if (!desc) + return 0; + spin_lock_irqsave(&desc->lock, flags); #ifndef CONFIG_SMP any_count = kstat_irqs(i); |
