diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c
index da9ba6d1679b..3d8f551cec30 100644
--- a/net/smc/smc_diag.c
+++ b/net/smc/smc_diag.c
@@ -168,7 +168,7 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb,
 	}
 	if (smc->conn.lgr && smc->conn.lgr->is_smcd &&
 	    (req->diag_ext & (1 << (SMC_DIAG_DMBINFO - 1))) &&
-	    !list_empty(&smc->conn.lgr->list)) {
+	    !list_empty(&smc->conn.lgr->list) && smc->conn.rmb_desc) {
 		struct smc_connection *conn = &smc->conn;
 		struct smcd_diag_dmbinfo dinfo;