genirq: Introduce irq_do_set_affinity() to reduce duplicated code
All invocations of chip->irq_set_affinity() are doing the same return value checks. Let them all use a common function. [ tglx: removed the silly likely while at it ] Signed-off-by: NJiang Liu <jiang.liu@huawei.com> Cc: Jiang Liu <liuj97@gmail.com> Cc: Keping Chen <chenkeping@huawei.com> Link: http://lkml.kernel.org/r/1333120296-13563-3-git-send-email-jiang.liu@huawei.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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