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authorSonic Zhang <sonic.zhang@analog.com>2009-07-16 10:36:35 +0000
committerMike Frysinger <vapier@gentoo.org>2009-09-16 21:31:50 -0400
commit407505dc01ac2b4f2944cd3c6a0c02473ffb869e (patch)
tree73e4a061898219ac7db3afdb09d092e9b2f94612
parent2120b68f31d3b08be99010b3992f58f07794b8b0 (diff)
Blackfin: do not try displaying the end of the stack
The end of the stack may not be valid (and that could be OK), so do not attempt to parse it. If we do, we might use a bad pointer in kernel space which makes things panic(). Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
-rw-r--r--arch/blackfin/kernel/traps.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 519accaf4af..18c6cd4150f 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -911,7 +911,7 @@ void show_stack(struct task_struct *task, unsigned long *stack)
frame_no = 0;
for (addr = (unsigned int *)((unsigned int)stack & ~0xF), i = 0;
- addr <= endstack; addr++, i++) {
+ addr < endstack; addr++, i++) {
ret_addr = 0;
if (!j && i % 8 == 0)