nat: NAT44-ED api fix and improvement

[vpp.git] / src / plugins / cnat / cnat_src_policy.c

diff --git a/src/plugins/cnat/cnat_src_policy.c b/src/plugins/cnat/cnat_src_policy.c
index e11e912..cac24b7 100644 (file)
--- a/src/plugins/cnat/cnat_src_policy.c
+++ b/src/plugins/cnat/cnat_src_policy.c
@@ -122,7 +122,10 @@ cnat_allocate_port (u16 * port, ip_protocol_t iproto)
       if (PREDICT_FALSE (*port >= UINT16_MAX))
        *port = clib_bitmap_next_clear (ca->bmap, MIN_SRC_PORT);
       if (PREDICT_FALSE (*port >= UINT16_MAX))
-       return -1;
+       {
+         clib_spinlock_unlock (&ca->lock);
+         return -1;
+       }
     }
   clib_bitmap_set_no_check (ca->bmap, *port, 1);
   *port = clib_host_to_net_u16 (*port);