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| author | Maxim Uvarov <muvarov@gmail.com> | 2010-05-11 05:41:08 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-03-14 14:29:57 -0700 |
| commit | 692d5ec1c7bf51e51bf87d0118c9dfd91b77f133 (patch) | |
| tree | aa0b43445f67b72a31ea77fba2c3041cfb738f45 | |
| parent | 553c9ca59794cff92d010fadc1aed89f47b47a20 (diff) | |
| download | lwn-692d5ec1c7bf51e51bf87d0118c9dfd91b77f133.tar.gz lwn-692d5ec1c7bf51e51bf87d0118c9dfd91b77f133.zip | |
powerpc/crashdump: Do not fail on NULL pointer dereferencing
commit 426b6cb478e60352a463a0d1ec75c1c9fab30b13 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>
| -rw-r--r-- | 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 f4a0188c4d36..b77981801787 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_desc + i; + if (!desc || !desc->chip || !desc->chip->eoi) + continue; + if (desc->status & IRQ_INPROGRESS) desc->chip->eoi(i); |