| From | Paul Gortmaker <> | Subject | [34-longterm 160/247] powerpc/crashdump: Do not fail on NULL pointer dereferencing | Date | Thu, 23 Jun 2011 13:33:48 -0400 |
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From: Maxim Uvarov <muvarov@gmail.com>
------------------- This is a commit scheduled for the next v2.6.34 longterm release. If you see a problem with using this for longterm, please comment. -------------------
commit 426b6cb478e60352a463a0d1ec75c1c9fab30b13 upstream.
Signed-off-by: Maxim Uvarov <muvarov@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> --- arch/powerpc/kernel/crash.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 0384376..cca7c8f 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -377,6 +377,9 @@ void default_machine_crash_shutdown(struct pt_regs *regs) for_each_irq(i) { struct irq_desc *desc = irq_to_desc(i); + if (!desc || !desc->chip || !desc->chip->eoi) + continue; + if (desc->status & IRQ_INPROGRESS) desc->chip->eoi(i); -- 1.7.4.4
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