[PATCH] x86_64: Sparse warnings fix.

 Fixes the following sparse warnings:

arch/x86_64/kernel/mce_amd.c:321:29: warning: Using plain integer as NULL pointer
arch/x86_64/kernel/mce_amd.c:410:41: warning: Using plain integer as NULL pointer

Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/x86_64/kernel/mce_amd.c b/arch/x86_64/kernel/mce_amd.c
index 0b62a44..d3ad7d8 100644 (file)
--- a/arch/x86_64/kernel/mce_amd.c
+++ b/arch/x86_64/kernel/mce_amd.c
@@ -320,7 +320,7 @@ static struct kobj_type threshold_ktype = {
 static __cpuinit int threshold_create_bank(unsigned int cpu, int bank)
 {
        int err = 0;
-       struct threshold_bank *b = 0;
+       struct threshold_bank *b = NULL;
 
 #ifdef CONFIG_SMP
        if (cpu_core_id[cpu] && shared_bank[bank]) {    /* symlink */
@@ -409,7 +409,7 @@ static __cpuinit void threshold_remove_bank(unsigned int cpu, int bank)
        if (shared_bank[bank] && atomic_read(&b->kobj.kref.refcount) > 2) {
                sprintf(name, "bank%i", bank);
                sysfs_remove_link(&per_cpu(device_threshold, cpu).kobj, name);
-               per_cpu(threshold_banks, cpu)[bank] = 0;
+               per_cpu(threshold_banks, cpu)[bank] = NULL;
        } else {
                kobject_unregister(&b->kobj);
                kfree(per_cpu(threshold_banks, cpu)[bank]);