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

Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index a92a23d6acd931c2fb047a898b3c6eef9d488e20..fda1c1a6a444dd00bb10711950148a2d16a7299a 100644 (file)
--- 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;