diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index d80d54e663c0966986d27c20a49119d0c0d3fa47..1484bc99a53756d2ac306d87445c7ddf2b8c3179 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -166,6 +166,9 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
 	}
 
 	switch (p->sel.family) {
+	case AF_UNSPEC:
+		break;
+
 	case AF_INET:
 		if (p->sel.prefixlen_d > 32 || p->sel.prefixlen_s > 32)
 			goto out;