lkml.org 
[lkml]   [2011]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[34-longterm 160/247] powerpc/crashdump: Do not fail on NULL pointer dereferencing
Date
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


\
 
 \ /
  Last update: 2011-06-23 20:03    [W:0.942 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site