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[POWERPC] Check for NULL ppc_md.init_IRQ() before calling

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Check to make sure ppc_md.init_IRQ has been set before calling it.

Signed-off-by: Sonny Rao <sonny@burdell.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Sonny Rao 2007-07-10 03:31:44 +10:00 committed by Paul Mackerras
parent b3e998ee05
commit 70584578ab
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/kernel/irq.c
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@ -336,7 +336,8 @@ void do_IRQ(struct pt_regs *regs)
void __init init_IRQ(void)
{
ppc_md.init_IRQ();
if (ppc_md.init_IRQ)
ppc_md.init_IRQ();
#ifdef CONFIG_PPC64
irq_ctx_init();
#endif