diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index 7561941ba413..a79cb5a9e5f2 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -71,6 +71,9 @@ struct rpmsg_endpoint *rpmsg_create_ept(struct rpmsg_device *rpdev,
 					rpmsg_rx_cb_t cb, void *priv,
 					struct rpmsg_channel_info chinfo)
 {
+	if (WARN_ON(!rpdev))
+		return ERR_PTR(-EINVAL);
+
 	return rpdev->ops->create_ept(rpdev, cb, priv, chinfo);
 }
 EXPORT_SYMBOL(rpmsg_create_ept);
@@ -80,11 +83,13 @@ EXPORT_SYMBOL(rpmsg_create_ept);
  * @ept: endpoing to destroy
  *
  * Should be used by drivers to destroy an rpmsg endpoint previously
- * created with rpmsg_create_ept().
+ * created with rpmsg_create_ept(). As with other types of "free" NULL
+ * is a valid parameter.
  */
 void rpmsg_destroy_ept(struct rpmsg_endpoint *ept)
 {
-	ept->ops->destroy_ept(ept);
+	if (ept)
+		ept->ops->destroy_ept(ept);
 }
 EXPORT_SYMBOL(rpmsg_destroy_ept);
 
@@ -108,6 +113,11 @@ EXPORT_SYMBOL(rpmsg_destroy_ept);
  */
 int rpmsg_send(struct rpmsg_endpoint *ept, void *data, int len)
 {
+	if (WARN_ON(!ept))
+		return -EINVAL;
+	if (!ept->ops->send)
+		return -ENXIO;
+
 	return ept->ops->send(ept, data, len);
 }
 EXPORT_SYMBOL(rpmsg_send);
@@ -132,6 +142,11 @@ EXPORT_SYMBOL(rpmsg_send);
  */
 int rpmsg_sendto(struct rpmsg_endpoint *ept, void *data, int len, u32 dst)
 {
+	if (WARN_ON(!ept))
+		return -EINVAL;
+	if (!ept->ops->sendto)
+		return -ENXIO;
+
 	return ept->ops->sendto(ept, data, len, dst);
 }
 EXPORT_SYMBOL(rpmsg_sendto);
@@ -159,6 +174,11 @@ EXPORT_SYMBOL(rpmsg_sendto);
 int rpmsg_send_offchannel(struct rpmsg_endpoint *ept, u32 src, u32 dst,
 			  void *data, int len)
 {
+	if (WARN_ON(!ept))
+		return -EINVAL;
+	if (!ept->ops->send_offchannel)
+		return -ENXIO;
+
 	return ept->ops->send_offchannel(ept, src, dst, data, len);
 }
 EXPORT_SYMBOL(rpmsg_send_offchannel);
@@ -182,6 +202,11 @@ EXPORT_SYMBOL(rpmsg_send_offchannel);
  */
 int rpmsg_trysend(struct rpmsg_endpoint *ept, void *data, int len)
 {
+	if (WARN_ON(!ept))
+		return -EINVAL;
+	if (!ept->ops->trysend)
+		return -ENXIO;
+
 	return ept->ops->trysend(ept, data, len);
 }
 EXPORT_SYMBOL(rpmsg_trysend);
@@ -205,6 +230,11 @@ EXPORT_SYMBOL(rpmsg_trysend);
  */
 int rpmsg_trysendto(struct rpmsg_endpoint *ept, void *data, int len, u32 dst)
 {
+	if (WARN_ON(!ept))
+		return -EINVAL;
+	if (!ept->ops->trysendto)
+		return -ENXIO;
+
 	return ept->ops->trysendto(ept, data, len, dst);
 }
 EXPORT_SYMBOL(rpmsg_trysendto);
@@ -231,6 +261,11 @@ EXPORT_SYMBOL(rpmsg_trysendto);
 int rpmsg_trysend_offchannel(struct rpmsg_endpoint *ept, u32 src, u32 dst,
 			     void *data, int len)
 {
+	if (WARN_ON(!ept))
+		return -EINVAL;
+	if (!ept->ops->trysend_offchannel)
+		return -ENXIO;
+
 	return ept->ops->trysend_offchannel(ept, src, dst, data, len);
 }
 EXPORT_SYMBOL(rpmsg_trysend_offchannel);