diff --git a/net/qrtr/af_qrtr.c b/net/qrtr/af_qrtr.c
index 3a70255c8d02..76f0434d3d06 100644
--- a/net/qrtr/af_qrtr.c
+++ b/net/qrtr/af_qrtr.c
@@ -498,6 +498,11 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
 	if (!size || len != ALIGN(size, 4) + hdrlen)
 		goto err;
 
+	if ((cb->type == QRTR_TYPE_NEW_SERVER ||
+	     cb->type == QRTR_TYPE_RESUME_TX) &&
+	    size < sizeof(struct qrtr_ctrl_pkt))
+		goto err;
+
 	if (cb->dst_port != QRTR_PORT_CTRL && cb->type != QRTR_TYPE_DATA &&
 	    cb->type != QRTR_TYPE_RESUME_TX)
 		goto err;
@@ -510,9 +515,6 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
 		/* Remote node endpoint can bridge other distant nodes */
 		const struct qrtr_ctrl_pkt *pkt;
 
-		if (size < sizeof(*pkt))
-			goto err;
-
 		pkt = data + hdrlen;
 		qrtr_node_assign(node, le32_to_cpu(pkt->server.node));
 	}