[PATCH] parisc: Drop out of get_whan() if task is running again

[Helge Deller <deller@xxxxxx>]

Signed-off-by: Helge Deller <deller@xxxxxx>

diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index a92a23d6acd9..fda1c1a6a444 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -260,6 +260,8 @@ get_wchan(struct task_struct *p)
 	do {
 		if (unwind_once(&info) < 0)
 			return 0;
+		if (p->state == TASK_RUNNING)
+                        return 0;
 		ip = info.ip;
 		if (!in_sched_functions(ip))
 			return ip;