x86: Re-get cfg_new in case reuse/move irq_desc
When irq_desc is moved, we need to make sure to use the right cfg_new.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <4B07A739.3030104@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index ff23719..085e60e 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3186,6 +3186,7 @@
continue;
desc_new = move_irq_desc(desc_new, node);
+ cfg_new = desc_new->chip_data;
if (__assign_irq_vector(new, cfg_new, apic->target_cpus()) == 0)
irq = new;