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-rw-r--r--arch/x86/kernel/io_apic_32.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 4ca548632c8..f239b302e9f 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -2477,6 +2477,7 @@ void destroy_irq(unsigned int irq)
dynamic_irq_cleanup(irq);
spin_lock_irqsave(&vector_lock, flags);
+ clear_bit(irq_vector[irq], used_vectors);
irq_vector[irq] = 0;
spin_unlock_irqrestore(&vector_lock, flags);
}