selftests/media_tests/video_device_test.c

1 // SPDX-License-Identifier: GPL-2.0
4  * video_device_test - Video Device Test
20  *	sudo ./video_device_test -d /dev/videoX
22  *	While test is running, remove the device or unbind the driver and
23  *	ensure there are no use after free errors and other Oops in the
25  *	When possible, enable KaSan kernel config option for use-after-free
51 		printf("Usage: %s [-d </dev/videoX>]\n", argv[0]);  in main()
52 		exit(-1);  in main()
56 	while ((opt = getopt(argc, argv, "d:")) != -1) {  in main()
59 			strncpy(video_dev, optarg, sizeof(video_dev) - 1);  in main()
60 			video_dev[sizeof(video_dev)-1] = '\0';  in main()
63 			printf("Usage: %s [-d </dev/videoX>]\n", argv[0]);  in main()
64 			exit(-1);  in main()
74 	if (fd == -1) {  in main()
76 		exit(-1);  in main()
80 	       "While test is running, remove the device or unbind\n"  in main()
81 	       "driver and ensure there are no use after free errors\n"  in main()
83 	       "kernel config option for use-after-free error detection.\n\n");  in main()
99 		count--;  in main()