diff options
| -rw-r--r-- | kernel/exit.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 64bb6893a37d..d2d74a7b81d1 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1596,10 +1596,13 @@ static long kernel_waitid(int which, pid_t upid, struct waitid_info *infop, break; case P_PGID: type = PIDTYPE_PGID; - if (upid <= 0) + if (upid < 0) return -EINVAL; - pid = find_get_pid(upid); + if (upid) + pid = find_get_pid(upid); + else + pid = get_task_pid(current, PIDTYPE_PGID); break; case P_PIDFD: type = PIDTYPE_PID; |