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x86/apic: Handle zero vector gracefully in clear_vector_irq()
[deliverable/linux.git]
/
arch
/
x86
/
kernel
/
apic
/
vector.c
diff --git
a/arch/x86/kernel/apic/vector.c
b/arch/x86/kernel/apic/vector.c
index ad59d70bcb1a6109742773e5f69a7235bca712f5..ef495511f019f0a899325d6a28ed5da98e1c939e 100644
(file)
--- a/
arch/x86/kernel/apic/vector.c
+++ b/
arch/x86/kernel/apic/vector.c
@@
-256,7
+256,8
@@
static void clear_irq_vector(int irq, struct apic_chip_data *data)
struct irq_desc *desc;
int cpu, vector;
- BUG_ON(!data->cfg.vector);
+ if (!data->cfg.vector)
+ return;
vector = data->cfg.vector;
for_each_cpu_and(cpu, data->domain, cpu_online_mask)
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