1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. 4 * Copyright (c) 2018 Xiao Yang <yangx.jy (at) cn.fujitsu.com> 5 */ 6 7 /* 8 * AUTHOR: Madhu T L <madhu.tarikere (at) wipro.com> 9 * 10 * DESCRIPTION: 11 * Basic tests for delete_module(2) 12 * 1) insmod dummy_del_mod.ko 13 * 2) call delete_module(2) to remove dummy_del_mod.ko 14 */ 15 16 #include <errno.h> 17 #include "old_module.h" 18 #include "lapi/syscalls.h" 19 #include "tst_test.h" 20 21 #define MODULE_NAME "dummy_del_mod" 22 #define MODULE_NAME_KO "dummy_del_mod.ko" 23 24 static int module_loaded; 25 26 static void do_delete_module(void) 27 { 28 if (module_loaded == 0) { 29 tst_module_load(NULL, MODULE_NAME_KO, NULL); 30 module_loaded = 1; 31 } 32 33 TEST(tst_syscall(__NR_delete_module, MODULE_NAME, 0)); 34 if (TST_RET == -1) { 35 tst_res(TFAIL | TTERRNO, "delete_module() failed to " 36 "remove module entry for %s ", MODULE_NAME); 37 return; 38 } 39 40 tst_res(TPASS, "delete_module() successful"); 41 module_loaded = 0; 42 } 43 44 static void cleanup(void) 45 { 46 if (module_loaded == 1) 47 tst_module_unload(NULL, MODULE_NAME_KO); 48 } 49 50 static struct tst_test test = { 51 .needs_root = 1, 52 .cleanup = cleanup, 53 .test_all = do_delete_module, 54 }; 55
