From: Sonny Rao <sonny@burdell.org>
Date: Mon, 9 Jul 2007 17:31:44 +0000 (+1000)
Subject: [POWERPC] Check for NULL ppc_md.init_IRQ() before calling
X-Git-Tag: v2.6.23-rc1~767^2^2~9
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70584578ab3e940ac9d7820f268f9adc9884e407;p=linux-2.6

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

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>
---

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index a3351561d2..2fc8786214 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -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