1 files changed, 4 insertions, 0 deletions

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 8dca21110493..fdf537707e51 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -390,6 +390,7 @@ struct pktgen_thread {
         int cpu;
 
         wait_queue_head_t queue;
+        struct completion start_done;
 };
 
 #define REMOVE 1
@@ -3414,6 +3415,7 @@ static int pktgen_thread_worker(void *arg)
         BUG_ON(smp_processor_id() != cpu);
 
         init_waitqueue_head(&t->queue);
+        complete(&t->start_done);
 
         pr_debug("pktgen: starting pktgen/%d:  pid=%d\n", cpu, task_pid_nr(current));
 
@@ -3615,6 +3617,7 @@ static int __init pktgen_create_thread(int cpu)
         INIT_LIST_HEAD(&t->if_list);
 
         list_add_tail(&t->th_list, &pktgen_threads);
+        init_completion(&t->start_done);
 
         p = kthread_create(pktgen_thread_worker, t, "kpktgend_%d", cpu);
         if (IS_ERR(p)) {
@@ -3639,6 +3642,7 @@ static int __init pktgen_create_thread(int cpu)
         }
 
         wake_up_process(p);
+        wait_for_completion(&t->start_done);
 
         return 0;
 }