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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-08-19 20:50:16 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-16 16:52:51 +0200 |
| commit | 1d5f6b36c4736af1dac396d6267eb53dcc8c0021 (patch) | |
| tree | 80b7fe11fa42cabd3af3fddeef53f0126943ec22 /arch/x86/kernel/irq_64.c | |
| parent | 46926b67fc663d357a1a8174328998a9e49da0b8 (diff) | |
| download | blackbird-op-linux-1d5f6b36c4736af1dac396d6267eb53dcc8c0021.tar.gz blackbird-op-linux-1d5f6b36c4736af1dac396d6267eb53dcc8c0021.zip | |
x86: check with without_new in show_interrupts
so we don't get new one that we don't need it.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/irq_64.c')
| -rw-r--r-- | arch/x86/kernel/irq_64.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index f58b995b30ee..f337f87c1e16 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -83,7 +83,10 @@ int show_interrupts(struct seq_file *p, void *v) if (i < nr_irqs) { unsigned any_count = 0; - struct irq_desc *desc = irq_to_desc(i); + struct irq_desc *desc = __irq_to_desc(i); + + if (!desc) + return 0; spin_lock_irqsave(&desc->lock, flags); #ifndef CONFIG_SMP |
