From d4accd60d23f3c8a576fd08b727f88096f42d445 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Thu, 30 Nov 2006 17:11:26 -0800
Subject: [SPARC]: Check kzalloc() return value in SUN4D irq/iommu init.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/mm/io-unit.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'arch/sparc/mm/io-unit.c')

diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 00706202296..4ccda77d08d 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -22,6 +22,7 @@
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
 #include <asm/dma.h>
+#include <asm/oplib.h>
 
 /* #define IOUNIT_DEBUG */
 #ifdef IOUNIT_DEBUG
@@ -42,6 +43,10 @@ iounit_init(int sbi_node, int io_node, struct sbus_bus *sbus)
 	struct resource r;
 
 	iounit = kzalloc(sizeof(struct iounit_struct), GFP_ATOMIC);
+	if (!iounit) {
+		prom_printf("SUN4D: Cannot alloc iounit, halting.\n");
+		prom_halt();
+	}
 
 	iounit->limit[0] = IOUNIT_BMAP1_START;
 	iounit->limit[1] = IOUNIT_BMAP2_START;
-- 
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