[Sound-open-firmware] [PATCH] debug: stack: fix stack dump lower limit.

[Liam Girdwood]

Don't try and dump data outside of the stack.

Signed-off-by: Liam Girdwood <liam.r.girdwood at linux.intel.com>
---
 src/include/reef/debug.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/include/reef/debug.h b/src/include/reef/debug.h
index 9ffc6a8..6554a51 100644
--- a/src/include/reef/debug.h
+++ b/src/include/reef/debug.h
@@ -133,7 +133,7 @@ static inline void dump_stack(uint32_t p, void *addr, size_t offset,
 {
 	extern void *__stack;
 	extern void *_stack_sentry;
-	void *stack_bottom = (void *)&__stack;
+	void *stack_bottom = (void *)&__stack - sizeof(void *);
 	void *stack_limit = (void *)&_stack_sentry;
 	void *stack_top = arch_get_stack_ptr() + offset;
 	size_t size = stack_bottom - stack_top;
-- 
2.14.1