summaryrefslogtreecommitdiffstats
path: root/tools/remove.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/remove.c')
-rw-r--r--tools/remove.c153
1 files changed, 0 insertions, 153 deletions
diff --git a/tools/remove.c b/tools/remove.c
deleted file mode 100644
index 387ef0e..0000000
--- a/tools/remove.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * kmod-remove - remove modules from the kernel.
- *
- * Copyright (C) 2015 Intel Corporation. All rights reserved.
- * Copyright (C) 2011-2013 ProFUSION embedded systems
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <errno.h>
-#include <getopt.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <libkmod/libkmod.h>
-
-#include "kmod.h"
-
-static const char cmdopts_s[] = "h";
-static const struct option cmdopts[] = {
- {"help", no_argument, 0, 'h'},
- { }
-};
-
-static void help(void)
-{
- printf("Usage:\n"
- "\t%s remove [options] module\n"
- "Options:\n"
- "\t-h, --help show this help\n",
- program_invocation_short_name);
-}
-
-static int check_module_inuse(struct kmod_module *mod) {
- struct kmod_list *holders;
- int state, ret;
-
- state = kmod_module_get_initstate(mod);
-
- if (state == KMOD_MODULE_BUILTIN) {
- ERR("Module %s is builtin.\n", kmod_module_get_name(mod));
- return -ENOENT;
- } else if (state < 0) {
- ERR("Module %s is not currently loaded\n",
- kmod_module_get_name(mod));
- return -ENOENT;
- }
-
- holders = kmod_module_get_holders(mod);
- if (holders != NULL) {
- struct kmod_list *itr;
-
- ERR("Module %s is in use by:", kmod_module_get_name(mod));
-
- kmod_list_foreach(itr, holders) {
- struct kmod_module *hm = kmod_module_get_module(itr);
- fprintf(stderr, " %s", kmod_module_get_name(hm));
- kmod_module_unref(hm);
- }
- fputc('\n', stderr);
-
- kmod_module_unref_list(holders);
- return -EBUSY;
- }
-
- ret = kmod_module_get_refcnt(mod);
- if (ret > 0) {
- ERR("Module %s is in use\n", kmod_module_get_name(mod));
- return -EBUSY;
- } else if (ret == -ENOENT) {
- ERR("Module unloading is not supported\n");
- }
-
- return ret;
-}
-
-static int do_remove(int argc, char *argv[])
-{
- struct kmod_ctx *ctx;
- struct kmod_module *mod;
- const char *name;
- int err, r = EXIT_SUCCESS;
-
- for (;;) {
- int c, idx =0;
- c = getopt_long(argc, argv, cmdopts_s, cmdopts, &idx);
- if (c == -1)
- break;
- switch (c) {
- case 'h':
- help();
- return EXIT_SUCCESS;
-
- default:
- ERR("Unexpected getopt_long() value '%c'.\n", c);
- return EXIT_FAILURE;
- }
- }
-
- if (optind >= argc) {
- ERR("Missing module name\n");
- return EXIT_FAILURE;
- }
-
- ctx = kmod_new(NULL, NULL);
- if (!ctx) {
- ERR("kmod_new() failed!\n");
- return EXIT_FAILURE;
- }
-
- name = argv[optind];
- err = kmod_module_new_from_name(ctx, name, &mod);
- if (err < 0) {
- ERR("Could not remove module %s: %s\n", name, strerror(-err));
- goto end;
- }
-
- err = check_module_inuse(mod);
- if (err < 0)
- goto unref;
-
- err = kmod_module_remove_module(mod, 0);
- if (err < 0)
- goto unref;
-
-unref:
- kmod_module_unref(mod);
-
-end:
- kmod_unref(ctx);
- if (err < 0) {
- r = EXIT_FAILURE;
- ERR("Could not remove module %s: %s\n", name, strerror(-err));
- }
- return r;
-}
-
-const struct kmod_cmd kmod_cmd_remove = {
- .name = "remove",
- .cmd = do_remove,
- .help = "remove module from kernel",
-};