selftests/media_tests/media_device_test.c

1 // SPDX-License-Identifier: GPL-2.0
4  * media_device_test.c - Media Controller Device ioctl loop Test
23  *	sudo ./media_device_test -d /dev/mediaX
25  *	While test is running, remove the device and
26  *	ensure there are no use after free errors and
28  *	config option for use-after-free error detection.
54 		printf("Usage: %s [-d </dev/mediaX>]\n", argv[0]);  in main()
55 		exit(-1);  in main()
59 	while ((opt = getopt(argc, argv, "d:")) != -1) {  in main()
62 			strncpy(media_device, optarg, sizeof(media_device) - 1);  in main()
63 			media_device[sizeof(media_device)-1] = '\0';  in main()
66 			printf("Usage: %s [-d </dev/mediaX>]\n", argv[0]);  in main()
67 			exit(-1);  in main()
72 		ksft_exit_skip("Please run the test as root - Exiting.\n");  in main()
80 	if (fd == -1) {  in main()
82 		exit(-1);  in main()
86 	       "While test is running, remove the device and\n"  in main()
87 	       "ensure there are no use after free errors and\n"  in main()
89 	       "config option for use-after-free error detection.\n\n");  in main()
91 	printf("Running test for %d iterations\n", count);  in main()
98 			printf("Media device model %s driver %s - count %d\n",  in main()
101 		count--;  in main()