1 // SPDX-License-Identifier: GPL-2.0-or-later
42 	if (ret == -1) {  in wait_for_pid()
46 		ksft_print_msg("waitpid returned -1, errno=%d\n", errno);  in wait_for_pid()
47 		return -1;  in wait_for_pid()
54 		return -1;  in wait_for_pid()
87 	if (ret == -1) {  in get_mnt_id()
88 		ksft_print_msg("retrieving unique mount ID for %s: %s\n", path,  in get_mnt_id()
94 		ksft_print_msg("no unique mount ID available for %s\n", path);  in get_mnt_id()
108 	if (fd == -1) {  in write_file()
114 	if (ret == -1) {  in write_file()
124 	if (ret == -1) {  in write_file()
140 	if (ret == -1)  in setup_namespace()
145 	ret = write_file("/proc/self/uid_map", buf);  in setup_namespace()
148 	ret = write_file("/proc/self/setgroups", "deny");  in setup_namespace()
152 	ret = write_file("/proc/self/gid_map", buf);  in setup_namespace()
157 	if (ret == -1) {  in setup_namespace()
173 	ret = get_mnt_ns_id("/proc/self/ns/mnt", &mnt_ns_id);  in _test_statmount_mnt_ns_id()
182 	if (ret == -1) {  in _test_statmount_mnt_ns_id()
183 		ksft_print_msg("statmount mnt ns id: %s\n", strerror(errno));  in _test_statmount_mnt_ns_id()
193 		ksft_print_msg("statmount mnt ns id unavailable\n");  in _test_statmount_mnt_ns_id()
198 		ksft_print_msg("unexpected mnt ns ID: 0x%llx != 0x%llx\n",  in _test_statmount_mnt_ns_id()
219 		handle_result(ret, "test statmount ns id");  in test_statmount_mnt_ns_id()
238 	/* Get the mount ns id for our child. */  in validate_external_listmount()
239 	snprintf(buf, sizeof(buf), "/proc/%lu/ns/mnt", (unsigned long)pid);  in validate_external_listmount()
243 	if (nr_mounts == (uint64_t)-1) {  in validate_external_listmount()
261 			ksft_print_msg("statmount mnt ns id: %s\n", strerror(errno));  in validate_external_listmount()
266 			ksft_print_msg("statmount mnt ns id unavailable\n");  in validate_external_listmount()
271 			ksft_print_msg("listmount gave us the wrong ns id: 0x%llx != 0x%llx\n",  in validate_external_listmount()
313 		if (nr_mounts == (uint64_t)-1) {  in test_listmount_ns()
346 	handle_result(ret, "test listmount ns id");  in test_listmount_ns()
355 	assert(ret == -1);  in main()