cec: check input on device property

2025-02-05 23:26:42 +02:00
parent 2cc1d0e2ab
commit 05919b729a
1 changed files with 5 additions and 0 deletions
--- a/cec/HdmiCec.cpp
+++ b/cec/HdmiCec.cpp
@@ -289,6 +289,11 @@ Return<bool> HdmiCec::isConnected(int32_t portId __unused) {
 // Initialise the cec file descriptor
 Return<Result> HdmiCec::init() {
    string cecDevice = GetProperty(PROPERTY_CEC_DEVICE, "cec0");
+    if (cecDevice != "cec0" && cecDevice != "cec1") {
+        LOG(ERROR) << "Invalid CEC device " << cecDevice;
+        return Result::FAILURE_NOT_SUPPORTED;
+    }
+
    string devicePath = "/dev/" + cecDevice;
    int portId = stoi(cecDevice.substr(3));