diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 2cde375477e3..62047d20e14d 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -1025,6 +1025,10 @@ int __tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info)
 
 	bearer = nla_data(attrs[TIPC_NLA_BEARER_NAME]);
 
+	if (bearer[strnlen(bearer,
+			   nla_len(attrs[TIPC_NLA_BEARER_NAME]))] != '\0')
+		return -EINVAL;
+
 	if (attrs[TIPC_NLA_BEARER_DOMAIN])
 		domain = nla_get_u32(attrs[TIPC_NLA_BEARER_DOMAIN]);