With sparse irqs we have to check if we have a descriptor before dereferencing
it.
Signed-off-by: Anton Blanchard <an...@samba.org>
---
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 6f4613d..5182439 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -375,6 +375,9 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
for_each_irq(i) {
struct irq_desc *desc = irq_to_desc(i);
+ if (!desc)
+ continue;
+
if (desc->status & IRQ_INPROGRESS)
desc->chip->eoi(i);
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