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powerpc/crashdump: Do not fail on NULL pointer dereferencing

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commit 426b6cb478 upstream.

Signed-off-by: Maxim Uvarov <muvarov@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Kamalesh babulal <kamalesh@linux.vnet.ibm.com>
cc: Anton Blanchard <anton@samba.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Maxim Uvarov
2010-05-11 05:41:08 +00:00
committed by Greg Kroah-Hartman
parent 553c9ca597
commit 692d5ec1c7
1 changed files with 3 additions and 0 deletions
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3
arch/powerpc/kernel/crash.c
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@@ -377,6 +377,9 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
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);