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    Subject[PATCH v2 01/15] NULL noise: arch/x86/kernel
    Date
    Fix this sparse warnings:
    arch/x86/kernel/io_apic.c:3474:37: warning: Using plain integer as NULL pointer
    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>
    ---
    v2: other subject, as suggested by Al Viro

    arch/x86/kernel/io_apic.c | 2 +-
    arch/x86/kernel/machine_kexec_32.c | 2 +-
    arch/x86/kernel/traps.c | 2 +-
    3 files changed, 3 insertions(+), 3 deletions(-)

    diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
    index a89878e..d9fe0ed 100644
    --- a/arch/x86/kernel/io_apic.c
    +++ b/arch/x86/kernel/io_apic.c
    @@ -3471,7 +3471,7 @@ int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
    unsigned int irq_want;

    #ifdef CONFIG_INTR_REMAP
    - struct intel_iommu *iommu = 0;
    + struct intel_iommu *iommu = NULL;
    int index = 0;
    #endif

    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;


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