diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 320933db889153072fa9bf91659bcc6d948d05b4..fc31fe89d2e1b2543a54fc83fca138709876cde3 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -315,7 +315,7 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
 		goto err;
 	}
 
-	if (len != ALIGN(size, 4) + hdrlen)
+	if (!size || len != ALIGN(size, 4) + hdrlen)
 		goto err;
 
 	if (cb->dst_port != QRTR_PORT_CTRL && cb->type != QRTR_TYPE_DATA)