powerpc/crashdump: Do not fail on NULL pointer dereferencing
Commit: 426b6cb478e60352a463a0d1ec75c1c9fab30b13 upstream
Signed-off-by: Maxim Uvarov <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Kamalesh babulal <[email protected]>
cc: Anton Blanchard <[email protected]>
---
arch/powerpc/kernel/crash.c | 3 +++
1 file changed, 3 insertions(+)
Index: b/arch/powerpc/kernel/crash.c
===================================================================
--- a/arch/powerpc/kernel/crash.c 2011-03-07 00:59:25.108253005 -0800
+++ b/arch/powerpc/kernel/crash.c 2011-03-07 01:01:07.004296733 -0800
@@ -378,6 +378,9 @@
for_each_irq(i) {
struct irq_desc *desc = irq_desc + i;
+ if (!desc || !desc->chip || !desc->chip->eoi)
+ continue;
+
if (desc->status & IRQ_INPROGRESS)
desc->chip->eoi(i);
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