irq: set_irq_chip() has redundant call to irq_to_desc()
Extraneous call to irq_to_desc().
Signed-off-by: Dean Nelson <dcn@sgi.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 4ef555c..570d1ea 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -102,7 +102,6 @@
if (!chip)
chip = &no_irq_chip;
- desc = irq_to_desc(irq);
spin_lock_irqsave(&desc->lock, flags);
irq_chip_set_defaults(chip);
desc->chip = chip;