ipsec: make pre-shared keys harder to misuse

[vpp.git] / src / vnet / ipsec / ah_encrypt.c

diff --git a/src/vnet/ipsec/ah_encrypt.c b/src/vnet/ipsec/ah_encrypt.c
index e2d17d4..03e0488 100644 (file)
--- a/src/vnet/ipsec/ah_encrypt.c
+++ b/src/vnet/ipsec/ah_encrypt.c
@@ -168,7 +168,7 @@ ah_encrypt_inline (vlib_main_t * vm,
       pd->sa_index = current_sa_index;
       next[0] = AH_ENCRYPT_NEXT_DROP;
 
-      if (PREDICT_FALSE (~0 == sa0->thread_index))
+      if (PREDICT_FALSE ((u16) ~0 == sa0->thread_index))
        {
          /* this is the first packet to use this SA, claim the SA
           * for this thread. this could happen simultaneously on