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genirq: show_interrupts: Check desc->name before printing it blindly

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desc->name is not required and not used by all architectures.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2011-03-17 13:36:57 +01:00
parent 6d05c80dd2
commit ee0401ec11
1 changed files with 2 additions and 1 deletions
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3
kernel/irq/proc.c
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@ -405,7 +405,8 @@ int show_interrupts(struct seq_file *p, void *v)
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
seq_printf(p, " %8s", desc->irq_data.chip->name);
seq_printf(p, "-%-8s", desc->name);
if (desc->name)
seq_printf(p, "-%-8s", desc->name);
if (action) {
seq_printf(p, " %s", action->name);