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 4ef555c50db8da27f02106e1ca50e656ad47e6bb..570d1ea1db5daee44bff774b3e8cc8a37b717f1b 100644 (file)
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -102,7 +102,6 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
        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;