diff options
| author | Michael Ellerman <michael@ellerman.id.au> | 2009-10-13 19:44:56 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-10-30 17:21:30 +1100 |
| commit | 76f1d94f3ebdee0d14cab4d87bdeed1cf9badb17 (patch) | |
| tree | dda39a7df556dddff29014a32107804252bc2330 /arch/powerpc/kernel/irq.c | |
| parent | 32c105c3781d32c55429fbac493602028913390a (diff) | |
powerpc: Make virq_debug_show() cope with sparse irq_descs
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/irq.c')
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 65632215f020..baa49eb93228 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -1065,8 +1065,11 @@ static int virq_debug_show(struct seq_file *m, void *private) seq_printf(m, "%-5s %-7s %-15s %s\n", "virq", "hwirq", "chip name", "host name"); - for (i = 1; i < NR_IRQS; i++) { + for (i = 1; i < nr_irqs; i++) { desc = irq_to_desc(i); + if (!desc) + continue; + spin_lock_irqsave(&desc->lock, flags); if (desc->action && desc->action->handler) { |