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-rw-r--r--src/vcl/vcl_private.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/vcl/vcl_private.c b/src/vcl/vcl_private.c
index 8f8ebf9d2e8..3cbf02532cd 100644
--- a/src/vcl/vcl_private.c
+++ b/src/vcl/vcl_private.c
@@ -167,16 +167,19 @@ vcl_worker_alloc_and_init ()
if (vcl_get_worker_index () != ~0)
return 0;
+ /* Grab lock before selecting mem thread index */
+ clib_spinlock_lock (&vcm->workers_lock);
+
/* Use separate heap map entry for worker */
clib_mem_set_thread_index ();
if (pool_elts (vcm->workers) == vcm->cfg.max_workers)
{
VDBG (0, "max-workers %u limit reached", vcm->cfg.max_workers);
- return 0;
+ wrk = 0;
+ goto done;
}
- clib_spinlock_lock (&vcm->workers_lock);
wrk = vcl_worker_alloc ();
vcl_set_worker_index (wrk->wrk_index);
wrk->thread_id = pthread_self ();
@@ -203,9 +206,9 @@ vcl_worker_alloc_and_init ()
vec_reset_length (wrk->mq_msg_vector);
vec_validate (wrk->unhandled_evts_vector, 128);
vec_reset_length (wrk->unhandled_evts_vector);
- clib_spinlock_unlock (&vcm->workers_lock);
done:
+ clib_spinlock_unlock (&vcm->workers_lock);
return wrk;
}