diff options
| -rw-r--r-- | arch/parisc/kernel/process.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 0dd3847f494..355664812b8 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -381,6 +381,10 @@ get_wchan(struct task_struct *p) struct unwind_frame_info info; unsigned long ip; int count = 0; + + if (!p || p == current || p->state == TASK_RUNNING) + return 0; + /* * These bracket the sleeping functions.. */ |