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

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 4cc2e5ed0bec..760248de109d 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -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);