Merge pull request #238 from BBBSnowball/cmsisdap-fix-crash

cmsisDAP: fix crash in case hid device cannot be opened
2022-07-02 22:29:21 +02:00 · 2022-07-02 22:29:21 +02:00 · 7caf0e390a
parent 2f30668dbc 80cf8edc31
commit 7caf0e390a
1 changed files with 4 additions and 0 deletions
--- a/src/cmsisDAP.cpp
+++ b/src/cmsisDAP.cpp
@ -144,6 +144,10 @@ CmsisDAP::CmsisDAP(int vid, int pid, uint8_t verbose):_verbose(verbose),
 		_serial_number = wstring(dev_found[_device_idx]->serial_number);
 	/* open the device */
 	_dev = hid_open_path(dev_found[_device_idx]->path);
+	if (!_dev) {
+		throw std::runtime_error(
+				std::string("Couldn't open device. Check permissions for ") + dev_found[_device_idx]->path);
+	}
 	/* cleanup enumeration */
 	hid_free_enumeration(devs);