[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 (file)
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -546,6 +546,10 @@ void __init sun4d_init_sbi_irq(void)
        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;

diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 0070620..4ccda77 100644 (file)
--- 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;