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[SPARC]: Check kzalloc() return value in SUN4D irq/iommu init.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2006-11-30 17:11:26 -08:00
parent c80892d150
commit d4accd60d2
2 changed files with 9 additions and 0 deletions
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5
arch/sparc/mm/io-unit.c
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@ -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;