forked from luck/tmp_suning_uos_patched
[PATCH] genirq: fix irq flow handler uninstall
The sanity check for no_irq_chip in __set_irq_hander() is unconditional on both install and uninstall of an handler. This triggers false warnings and replaces no_irq_chip by dummy_irq_chip in the uninstall case. Check only, when a real handler is installed. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -517,8 +517,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
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if (!handle)
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handle = handle_bad_irq;
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if (desc->chip == &no_irq_chip) {
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else if (desc->chip == &no_irq_chip) {
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printk(KERN_WARNING "Trying to install %sinterrupt handler "
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"for IRQ%d\n", is_chained ? "chained " : "", irq);
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/*
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