[SPARC]: Check kzalloc() return value in SUN4D irq/iommu init.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index b8bd53a..cf1b8ba 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -546,6 +546,10 @@
for_each_sbus(sbus)
nsbi++;
sbus_actions = kzalloc (nsbi * 8 * 4 * sizeof(struct sbus_action), GFP_ATOMIC);
+ if (!sbus_actions) {
+ prom_printf("SUN4D: Cannot allocate sbus_actions, halting.\n");
+ prom_halt();
+ }
for_each_sbus(sbus) {
#ifdef CONFIG_SMP
extern unsigned char boot_cpu_id;