xen-devel
[Xen-devel] [PATCH 09/12] __setup_vector_irq: handle NULL chip_data
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
the VIRQ_TIMER handler and virq handlers in general don't have any
chip_data.
Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
---
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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- [Xen-devel] [PATCH 04/12] Xen PCI platform device driver, (continued)
- [Xen-devel] [PATCH 04/12] Xen PCI platform device driver, stefano . stabellini
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- [Xen-devel] [PATCH 08/12] Fix possible NULL pointer dereference in print_IO_APIC, stefano . stabellini
- [Xen-devel] [PATCH 09/12] __setup_vector_irq: handle NULL chip_data,
stefano . stabellini <=
- [Xen-devel] [PATCH 10/12] Do not try to disable hpet if it hasn't been initialized before, stefano . stabellini
- [Xen-devel] [PATCH 11/12] Use xen_vcpuop_clockevent, xen_clocksource and xen wallclock., stefano . stabellini
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