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authorMaxim Uvarov <muvarov@gmail.com>2010-05-11 05:41:08 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-05-21 17:31:09 +1000
commit426b6cb478e60352a463a0d1ec75c1c9fab30b13 (patch)
tree994b3a2dfa42d8c1bc976ed984a56cc52f910414 /arch/powerpc/kernel
parentce47c1c45b2b17ad07af82c775f27cc5196080f8 (diff)
powerpc/crashdump: Do not fail on NULL pointer dereferencing
Signed-off-by: Maxim Uvarov <muvarov@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/crash.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 6f4613dd05ef..341d8af6f33e 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 || !desc->chip || !desc->chip->eoi)
+ continue;
+
if (desc->status & IRQ_INPROGRESS)
desc->chip->eoi(i);