diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index ffa1e172c259..075ab58d8c88 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -1412,7 +1412,7 @@ nvmet_rdma_parse_cm_connect_req(struct rdma_conn_param *conn,
 	struct nvme_rdma_cm_req *req;
 
 	req = (struct nvme_rdma_cm_req *)conn->private_data;
-	if (!req || conn->private_data_len == 0)
+	if (!req || conn->private_data_len < sizeof(*req))
 		return NVME_RDMA_CM_INVALID_LEN;
 
 	if (le16_to_cpu(req->recfmt) != NVME_RDMA_CM_FMT_1_0)