Merge pull request #3386 from tekk/fix/channel-data-payload-bound

fix(companion): gate CMD_SEND_CHANNEL_DATA payload on MAX_GROUP_DATA_LENGTH

Author: ripplebiz

examples/companion_radio/MyMesh.cpp

@@ -1270,8 +1270,8 @@ void MyMesh::handleCmdFrame(size_t len) {
       writeErrFrame(ERR_CODE_NOT_FOUND); // bad channel_idx
     } else if (data_type == DATA_TYPE_RESERVED) {
       writeErrFrame(ERR_CODE_ILLEGAL_ARG);
-    } else if (payload_len > MAX_CHANNEL_DATA_LENGTH) {
-      MESH_DEBUG_PRINTLN("CMD_SEND_CHANNEL_DATA payload too long: %d > %d", payload_len, MAX_CHANNEL_DATA_LENGTH);
+    } else if (payload_len > MAX_GROUP_DATA_LENGTH) {
+      MESH_DEBUG_PRINTLN("CMD_SEND_CHANNEL_DATA payload too long: %d > %d", payload_len, MAX_GROUP_DATA_LENGTH);
       writeErrFrame(ERR_CODE_ILLEGAL_ARG);
     } else if (sendGroupData(channel.channel, path, path_len, data_type, payload, payload_len)) {
       writeOKFrame();