[PATCH] irq: remove a extra line

Signed-off-by: NYoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

kernel/irq/chip.c

@@ -40,10 +40,6 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
 	spin_lock_irqsave(&desc->lock, flags);
 	irq_chip_set_defaults(chip);
 	desc->chip = chip;
-	/*
-	 * For compatibility only:
-	 */
-	desc->chip = chip;
 	spin_unlock_irqrestore(&desc->lock, flags);
 
 	return 0;