sh: Fix get_wchan().
Some time ago the schedule frame size changed and we failed to reflect
this in get_wchan() at the time. This first popped up as a problem on
SH7751R where schedule_frame ended up being unaligned and generating
an unaligned trap. This fixes it up again..
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 7347f6a..486c06e 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -470,9 +470,10 @@
*/
pc = thread_saved_pc(p);
if (in_sched_functions(pc)) {
- schedule_frame = ((unsigned long *)(long)p->thread.sp)[1];
- return (unsigned long)((unsigned long *)schedule_frame)[1];
+ schedule_frame = (unsigned long)p->thread.sp;
+ return ((unsigned long *)schedule_frame)[21];
}
+
return pc;
}
