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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>
This commit is contained in:
Sonic Zhang 2009-07-16 10:36:35 +00:00 committed by Mike Frysinger
parent 2120b68f31
commit 407505dc01
1 changed files with 1 additions and 1 deletions
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2
arch/blackfin/kernel/traps.c
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@ -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)