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-rw-r--r--arch/s390/kernel/traps.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index a46793beedd..12240c03a6d 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -14,7 +14,6 @@
* 'Traps.c' handles hardware traps and faults after we have saved some
* state in 'asm.s'.
*/
-#include <linux/config.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/string.h>
@@ -150,13 +149,11 @@ void show_stack(struct task_struct *task, unsigned long *sp)
unsigned long *stack;
int i;
- // debugging aid: "show_stack(NULL);" prints the
- // back trace for this cpu.
-
if (!sp)
- sp = task ? (unsigned long *) task->thread.ksp : __r15;
+ stack = task ? (unsigned long *) task->thread.ksp : __r15;
+ else
+ stack = sp;
- stack = sp;
for (i = 0; i < kstack_depth_to_print; i++) {
if (((addr_t) stack & (THREAD_SIZE-1)) == 0)
break;