From 5414c6be57dd02e089c3eba1f5134f441733d013 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Tue, 24 Oct 2006 13:37:34 +1000 Subject: [POWERPC] Make irq_dispose_mapping(NO_IRQ) a nop It makes for a friendlier API if irq_dispose_mapping(NO_IRQ) is a nop, rather than triggering a WARN_ON. Signed-off-by: Michael Ellerman Acked-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- arch/powerpc/kernel/irq.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 67b21a008f6..eb9fc621e05 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -648,10 +648,14 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map); void irq_dispose_mapping(unsigned int virq) { - struct irq_host *host = irq_map[virq].host; + struct irq_host *host; irq_hw_number_t hwirq; unsigned long flags; + if (virq == NO_IRQ) + return; + + host = irq_map[virq].host; WARN_ON (host == NULL); if (host == NULL) return; -- cgit v1.2.3