From: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
To: stable@kernel.org
Cc: linux-kernel@vger.kernel.org, greg@kroah.com, anton@samba.org,
benh@kernel.crashing.org
Subject: [PATCH 6/7] powerpc/crashdump: Do not fail on NULL pointer dereferencing
Date: Mon, 7 Mar 2011 17:24:25 +0530 [thread overview]
Message-ID: <20110307115425.GH8194@linux.vnet.ibm.com> (raw)
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>
---
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);
reply other threads:[~2011-03-07 11:54 UTC|newest]
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