x86: kexec/i386: fix sparse warnings: Using plain integer as NULL pointer
Fix these sparse warnings:
arch/x86/kernel/machine_kexec_32.c:124:22: warning: Using plain integer as NULL pointer
arch/x86/kernel/traps.c:950:24: warning: Using plain integer as NULL pointer
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Cc: trivial@kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c
index 37f4200..f5fc8c7 100644
--- a/arch/x86/kernel/machine_kexec_32.c
+++ b/arch/x86/kernel/machine_kexec_32.c
@@ -121,7 +121,7 @@
static void machine_kexec_prepare_page_tables(struct kimage *image)
{
void *control_page;
- pmd_t *pmd = 0;
+ pmd_t *pmd = NULL;
control_page = page_address(image->control_code_page);
#ifdef CONFIG_X86_PAE