Commit 5414c6be authored Oct 24, 2006 by Michael Ellerman Committed by Paul Mackerras Oct 25, 2006

[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 <michael@ellerman.id.au>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

parent a0f46726

arch/powerpc/kernel/irq.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -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;