[PATCH] sparse: NULL vs 0 - arch/i386/*

arch/i386/kernel/acpi/boot.c

@@ -141,7 +141,7 @@ char *__acpi_map_table(unsigned long phys, unsigned long size)
 	idx = FIX_ACPI_END;
 	while (mapped_size < size) {
 		if (--idx < FIX_ACPI_BEGIN)
-			return 0;	/* cannot handle this */
+			return NULL;	/* cannot handle this */
 		phys += PAGE_SIZE;
 		set_fixmap(idx, phys);
 		mapped_size += PAGE_SIZE;
@@ -560,7 +560,7 @@ extern u32 pmtmr_ioport;
 
 static int __init acpi_parse_fadt(unsigned long phys, unsigned long size)
 {
-	struct fadt_descriptor_rev2 *fadt =0;
+	struct fadt_descriptor_rev2 *fadt = NULL;
 
 	fadt = (struct fadt_descriptor_rev2*) __acpi_map_table(phys,size);
 	if(!fadt) {

arch/i386/kernel/i8259.c

@@ -345,7 +345,7 @@ void __init init_ISA_irqs (void)
 
 	for (i = 0; i < NR_IRQS; i++) {
 		irq_desc[i].status = IRQ_DISABLED;
-		irq_desc[i].action = 0;
+		irq_desc[i].action = NULL;
 		irq_desc[i].depth = 1;
 
 		if (i < 16) {

arch/i386/kernel/irq.c

@@ -1094,7 +1094,7 @@ void init_irq_proc (void)
 	int i;
 
 	/* create /proc/irq */
-	root_irq_dir = proc_mkdir("irq", 0);
+	root_irq_dir = proc_mkdir("irq", NULL);
 
 	/* create /proc/irq/prof_cpu_mask */
 	entry = create_proc_entry("prof_cpu_mask", 0600, root_irq_dir);

arch/i386/kernel/ldt.c

@@ -61,7 +61,7 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
 		load_LDT(pc);
 		mask = cpumask_of_cpu(smp_processor_id());
 		if (!cpus_equal(current->mm->cpu_vm_mask, mask))
-			smp_call_function(flush_ldt, 0, 1, 1);
+			smp_call_function(flush_ldt, NULL, 1, 1);
 		preempt_enable();
 #else
 		load_LDT(pc);

arch/i386/kernel/reboot.c

@@ -88,8 +88,8 @@ static struct
 	unsigned long long * base __attribute__ ((packed));
 }
 real_mode_gdt = { sizeof (real_mode_gdt_entries) - 1, real_mode_gdt_entries },
-real_mode_idt = { 0x3ff, 0 },
-no_idt = { 0, 0 };
+real_mode_idt = { 0x3ff, NULL },
+no_idt = { 0, NULL };
 
 
 /* This is 16-bit protected mode code to disable paging and the cache,
@@ -266,7 +266,7 @@ void machine_restart(char * __unused)
 
 	if (!reboot_thru_bios) {
 		if (efi_enabled) {
-			efi.reset_system(EFI_RESET_COLD, EFI_SUCCESS, 0, 0);
+			efi.reset_system(EFI_RESET_COLD, EFI_SUCCESS, 0, NULL);
 			__asm__ __volatile__("lidt %0": :"m" (no_idt));
 			__asm__ __volatile__("int3");
 		}
@@ -280,7 +280,7 @@ void machine_restart(char * __unused)
 		}
 	}
 	if (efi_enabled)
-		efi.reset_system(EFI_RESET_WARM, EFI_SUCCESS, 0, 0);
+		efi.reset_system(EFI_RESET_WARM, EFI_SUCCESS, 0, NULL);
 
 	machine_real_restart(jump_to_bios, sizeof(jump_to_bios));
 }
@@ -296,7 +296,7 @@ EXPORT_SYMBOL(machine_halt);
 void machine_power_off(void)
 {
 	if (efi_enabled)
-		efi.reset_system(EFI_RESET_SHUTDOWN, EFI_SUCCESS, 0, 0);
+		efi.reset_system(EFI_RESET_SHUTDOWN, EFI_SUCCESS, 0, NULL);
 	if (pm_power_off)
 		pm_power_off();
 }

arch/i386/kernel/setup.c

@@ -1204,7 +1204,7 @@ static struct nop {
 } noptypes[] = { 
      { X86_FEATURE_K8, k8_nops }, 
      { X86_FEATURE_K7, k7_nops }, 
-     { -1, 0 }
+     { -1, NULL }
 }; 
 
 /* Replace instructions with better alternatives for this CPU type.

arch/i386/kernel/smp.c

@@ -463,7 +463,7 @@ static void do_flush_tlb_all(void* info)
 
 void flush_tlb_all(void)
 {
-	on_each_cpu(do_flush_tlb_all, 0, 1, 1);
+	on_each_cpu(do_flush_tlb_all, NULL, 1, 1);
 }
 
 /*

arch/i386/kernel/vm86.c

@@ -732,8 +732,8 @@ static inline void free_vm86_irq(int irqnumber)
 {
 	unsigned long flags;
 
-	free_irq(irqnumber,0);
-	vm86_irqs[irqnumber].tsk = 0;
+	free_irq(irqnumber, NULL);
+	vm86_irqs[irqnumber].tsk = NULL;
 
 	spin_lock_irqsave(&irqbits_lock, flags);	
 	irqbits &= ~(1 << irqnumber);
@@ -783,7 +783,7 @@ static int do_vm86_irq_handling(int subfunction, int irqnumber)
 			if (!((1 << sig) & ALLOWED_SIGS)) return -EPERM;
 			if (invalid_vm86_irq(irq)) return -EPERM;
 			if (vm86_irqs[irq].tsk) return -EPERM;
-			ret = request_irq(irq, &irq_handler, 0, VM86_IRQNAME, 0);
+			ret = request_irq(irq, &irq_handler, 0, VM86_IRQNAME, NULL);
 			if (ret) return ret;
 			vm86_irqs[irq].sig = sig;
 			vm86_irqs[irq].tsk = current;

arch/i386/oprofile/op_model_p4.c

@@ -464,7 +464,7 @@ static void pmc_setup_one_p4_counter(unsigned int ctr)
 	unsigned int escr = 0;
 	unsigned int high = 0;
 	unsigned int counter_bit;
-	struct p4_event_binding * ev = 0;
+	struct p4_event_binding *ev = NULL;
 	unsigned int stag;
 
 	stag = get_stagger();