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    Subject[PATCH 09/12] __setup_vector_irq: handle NULL chip_data
    Date
    From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

    the VIRQ_TIMER handler and virq handlers in general don't have any
    chip_data.

    Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
    ---
    arch/x86/kernel/apic/io_apic.c | 2 ++
    1 files changed, 2 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
    index c64499c..4d3d391 100644
    --- a/arch/x86/kernel/apic/io_apic.c
    +++ b/arch/x86/kernel/apic/io_apic.c
    @@ -1269,6 +1269,8 @@ void __setup_vector_irq(int cpu)
    /* Mark the inuse vectors */
    for_each_irq_desc(irq, desc) {
    cfg = desc->chip_data;
    + if (!cfg)
    + continue;

    /*
    * If it is a legacy IRQ handled by the legacy PIC, this cpu
    --
    1.7.0.4


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