1 /*
2 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 *
12 * You should have received a copy of the GNU General Public License along
13 * with this program; if not, write the Free Software Foundation, Inc.,
14 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
15 *
16 */
17
18 /*
19 * AUTHOR: Madhu T L <madhu.tarikere@wipro.com>
20 *
21 * DESCRIPTION:
22 * Basic tests for delete_module(2)
23 * 1) insmod dummy_del_mod.ko
24 * 2) call delete_module(2) to remove dummy_del_mod.ko
25 */
26
27 #include <errno.h>
28 #include "test.h"
29 #include "old_module.h"
30 #include "safe_macros.h"
31 #include "lapi/syscalls.h"
32
33 #define MODULE_NAME "dummy_del_mod"
34 #define MODULE_NAME_KO "dummy_del_mod.ko"
35
36 static void setup(void);
37 static void cleanup(void);
38
39
40 char *TCID = "delete_module01";
41 int TST_TOTAL = 1;
42 static int module_loaded;
43
main(int argc,char ** argv)44 int main(int argc, char **argv)
45 {
46 int lc;
47
48 tst_parse_opts(argc, argv, NULL, NULL);
49
50 setup();
51
52 for (lc = 0; TEST_LOOPING(lc); lc++) {
53 tst_count = 0;
54
55 /* insert dummy_del_mod.ko */
56 if (module_loaded == 0) {
57 tst_module_load(NULL, MODULE_NAME_KO, NULL);
58 module_loaded = 1;
59 }
60
61 TEST(ltp_syscall(__NR_delete_module, MODULE_NAME, 0));
62 if (TEST_RETURN == -1) {
63 tst_resm(TFAIL | TTERRNO, "delete_module() failed to "
64 "remove module entry for %s ", MODULE_NAME);
65 } else {
66 tst_resm(TPASS, "delete_module() successful");
67 module_loaded = 0;
68 }
69
70 }
71
72 cleanup();
73 tst_exit();
74 }
75
setup(void)76 static void setup(void)
77 {
78 tst_sig(NOFORK, DEF_HANDLER, cleanup);
79
80 tst_require_root();
81
82 TEST_PAUSE;
83 }
84
cleanup(void)85 static void cleanup(void)
86 {
87 if (module_loaded == 1)
88 tst_module_unload(NULL, MODULE_NAME_KO);
89 }
90