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authorDavid S. Miller <davem@sunset.davemloft.net>2006-11-30 17:11:26 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-10 02:40:10 -0800
commitd4accd60d23f3c8a576fd08b727f88096f42d445 (patch)
treea1d490ef2eebbdedf3703f4ae0829bf85d8efbfe /arch/sparc/mm
parentc80892d150a872b18cedfbf789211bfbebfc67ce (diff)
downloadlinux-linaro-stable-d4accd60d23f3c8a576fd08b727f88096f42d445.tar.gz
[SPARC]: Check kzalloc() return value in SUN4D irq/iommu init.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/mm')
-rw-r--r--arch/sparc/mm/io-unit.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 007062022967..4ccda77d08d6 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;