Re: [PATCH 01/16] kexec/i386: fix sparse warnings: Using plain integer as NULL pointer

[Hannes Eder <hannes@hanneseder.net>]

Added To: Ingo Molnar <mingo@elte.hu>

On Sun, Feb 22, 2009 at 1:00 AM, Hannes Eder <hannes@hanneseder.net> wrote:
> Fix this 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>
> ---
>  arch/x86/kernel/machine_kexec_32.c |    2 +-
>  arch/x86/kernel/traps.c            |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> 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_page_table_set_one(
>  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
> diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
> index ba90406..6882089 100644
> --- a/arch/x86/kernel/traps.c
> +++ b/arch/x86/kernel/traps.c
> @@ -947,7 +947,7 @@ dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code)
>        info.si_signo = SIGILL;
>        info.si_errno = 0;
>        info.si_code = ILL_BADSTK;
> -       info.si_addr = 0;
> +       info.si_addr = NULL;
>        if (notify_die(DIE_TRAP, "iret exception",
>                        regs, error_code, 32, SIGILL) == NOTIFY_STOP)
>                return;
>
>