[SPARC]: Check kzalloc() return value in SUN4D irq/iommu init. (d4accd60) · Commits · e / devices / android_kernel_sony_msm8994

arch/sparc/kernel/sun4d_irq.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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;

+5 −0

Original line number	Diff line number	Diff line
		@@ -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;