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dfu: fix memory leak

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This commit is contained in:
Gwenhael Goavec-Merou
2021-12-23 10:29:47 +01:00
parent 0979194da2
commit 3244f2e92a
1 changed files with 10 additions and 1 deletions
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src/dfu.cpp
+10 -1
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@@ -98,6 +98,7 @@ DFU::DFU(const string &filename, uint16_t vid, uint16_t pid,
if ((dfu_vid == 0 || dfu_pid == 0) && (vid == 0 || pid == 0)) {
// search all DFU compatible devices
if (searchDFUDevices() != EXIT_SUCCESS) {
libusb_exit(usb_ctx);
delete _bit;
throw std::runtime_error("Devices enumeration failed");
}
@@ -112,9 +113,14 @@ DFU::DFU(const string &filename, uint16_t vid, uint16_t pid,
/* check if DFU compatible devices are present */
if (dfu_dev.size() != 0) {
/* more than one: only possible if file is not DFU */
if (dfu_dev.size() > 1 && !filename.empty())
if (dfu_dev.size() > 1 && !filename.empty()) {
libusb_exit(usb_ctx);
delete _bit;
throw std::runtime_error("Only one device supported");
}
} else {
libusb_exit(usb_ctx);
delete _bit;
throw std::runtime_error("No DFU compatible device found");
}
@@ -123,11 +129,14 @@ DFU::DFU(const string &filename, uint16_t vid, uint16_t pid,
/* don't try device without vid/pid */
if (_vid == 0 || _pid == 0) {
libusb_exit(usb_ctx);
delete _bit;
throw std::runtime_error("Can't open device vid/pid == 0");
}
/* open the first */
if (open_DFU(0) == EXIT_FAILURE) {
libusb_exit(usb_ctx);
delete _bit;
throw std::runtime_error("Fail to claim device");
}