diff options
Diffstat (limited to 'release/src/router/busybox/modutils/modprobe-small.c')
| -rw-r--r-- | release/src/router/busybox/modutils/modprobe-small.c | 798 |
1 files changed, 798 insertions, 0 deletions
diff --git a/release/src/router/busybox/modutils/modprobe-small.c b/release/src/router/busybox/modutils/modprobe-small.c new file mode 100644 index 00000000..0b3a19a2 --- /dev/null +++ b/release/src/router/busybox/modutils/modprobe-small.c @@ -0,0 +1,798 @@ +/* vi: set sw=4 ts=4: */ +/* + * simplified modprobe + * + * Copyright (c) 2008 Vladimir Dronnikov + * Copyright (c) 2008 Bernhard Reutner-Fischer (initial depmod code) + * + * Licensed under GPLv2, see file LICENSE in this tarball for details. + */ + +#include "libbb.h" + +#include <sys/utsname.h> /* uname() */ +#include <fnmatch.h> + +extern int init_module(void *module, unsigned long len, const char *options); +extern int delete_module(const char *module, unsigned flags); +extern int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret); + + +#define dbg1_error_msg(...) ((void)0) +#define dbg2_error_msg(...) ((void)0) +//#define dbg1_error_msg(...) bb_error_msg(__VA_ARGS__) +//#define dbg2_error_msg(...) bb_error_msg(__VA_ARGS__) + +#define DEPFILE_BB CONFIG_DEFAULT_DEPMOD_FILE".bb" + +enum { + OPT_q = (1 << 0), /* be quiet */ + OPT_r = (1 << 1), /* module removal instead of loading */ +}; + +typedef struct module_info { + char *pathname; + char *aliases; + char *deps; +} module_info; + +/* + * GLOBALS + */ +struct globals { + module_info *modinfo; + char *module_load_options; + smallint dep_bb_seen; + smallint wrote_dep_bb_ok; + int module_count; + int module_found_idx; + int stringbuf_idx; + char stringbuf[32 * 1024]; /* some modules have lots of stuff */ + /* for example, drivers/media/video/saa7134/saa7134.ko */ +}; +#define G (*ptr_to_globals) +#define modinfo (G.modinfo ) +#define dep_bb_seen (G.dep_bb_seen ) +#define wrote_dep_bb_ok (G.wrote_dep_bb_ok ) +#define module_count (G.module_count ) +#define module_found_idx (G.module_found_idx ) +#define module_load_options (G.module_load_options) +#define stringbuf_idx (G.stringbuf_idx ) +#define stringbuf (G.stringbuf ) +#define INIT_G() do { \ + SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \ +} while (0) + + +static void appendc(char c) +{ + if (stringbuf_idx < sizeof(stringbuf)) + stringbuf[stringbuf_idx++] = c; +} + +static void bksp(void) +{ + if (stringbuf_idx) + stringbuf_idx--; +} + +static void append(const char *s) +{ + size_t len = strlen(s); + if (stringbuf_idx + len < sizeof(stringbuf)) { + memcpy(stringbuf + stringbuf_idx, s, len); + stringbuf_idx += len; + } +} + +static void reset_stringbuf(void) +{ + stringbuf_idx = 0; +} + +static char* copy_stringbuf(void) +{ + char *copy = xmalloc(stringbuf_idx); + return memcpy(copy, stringbuf, stringbuf_idx); +} + +static char* find_keyword(char *ptr, size_t len, const char *word) +{ + int wlen; + + if (!ptr) /* happens if xmalloc_open_zipped_read_close cannot read it */ + return NULL; + + wlen = strlen(word); + len -= wlen - 1; + while ((ssize_t)len > 0) { + char *old = ptr; + /* search for the first char in word */ + ptr = memchr(ptr, *word, len); + if (ptr == NULL) /* no occurance left, done */ + break; + if (strncmp(ptr, word, wlen) == 0) + return ptr + wlen; /* found, return ptr past it */ + ++ptr; + len -= (ptr - old); + } + return NULL; +} + +static void replace(char *s, char what, char with) +{ + while (*s) { + if (what == *s) + *s = with; + ++s; + } +} + +/* Take "word word", return malloced "word",NUL,"word",NUL,NUL */ +static char* str_2_list(const char *str) +{ + int len = strlen(str) + 1; + char *dst = xmalloc(len + 1); + + dst[len] = '\0'; + memcpy(dst, str, len); +//TODO: protect against 2+ spaces: "word word" + replace(dst, ' ', '\0'); + return dst; +} + +/* We use error numbers in a loose translation... */ +static const char *moderror(int err) +{ + switch (err) { + case ENOEXEC: + return "invalid module format"; + case ENOENT: + return "unknown symbol in module or invalid parameter"; + case ESRCH: + return "module has wrong symbol version"; + case EINVAL: /* "invalid parameter" */ + return "unknown symbol in module or invalid parameter" + + sizeof("unknown symbol in module or"); + default: + return strerror(err); + } +} + +static int load_module(const char *fname, const char *options) +{ +#if 1 + int r; + size_t len = MAXINT(ssize_t); + char *module_image; + dbg1_error_msg("load_module('%s','%s')", fname, options); + + module_image = xmalloc_open_zipped_read_close(fname, &len); + r = (!module_image || init_module(module_image, len, options ? options : "") != 0); + free(module_image); + dbg1_error_msg("load_module:%d", r); + return r; /* 0 = success */ +#else + /* For testing */ + dbg1_error_msg("load_module('%s','%s')", fname, options); + return 1; +#endif +} + +static void parse_module(module_info *info, const char *pathname) +{ + char *module_image; + char *ptr; + size_t len; + size_t pos; + dbg1_error_msg("parse_module('%s')", pathname); + + /* Read (possibly compressed) module */ + len = 64 * 1024 * 1024; /* 64 Mb at most */ + module_image = xmalloc_open_zipped_read_close(pathname, &len); +//TODO: optimize redundant module body reads + + /* "alias1 symbol:sym1 alias2 symbol:sym2" */ + reset_stringbuf(); + pos = 0; + while (1) { + ptr = find_keyword(module_image + pos, len - pos, "alias="); + if (!ptr) { + ptr = find_keyword(module_image + pos, len - pos, "__ksymtab_"); + if (!ptr) + break; + /* DOCME: __ksymtab_gpl and __ksymtab_strings occur + * in many modules. What do they mean? */ + if (strcmp(ptr, "gpl") == 0 || strcmp(ptr, "strings") == 0) + goto skip; + dbg2_error_msg("alias:'symbol:%s'", ptr); + append("symbol:"); + } else { + dbg2_error_msg("alias:'%s'", ptr); + } + append(ptr); + appendc(' '); + skip: + pos = (ptr - module_image); + } + bksp(); /* remove last ' ' */ + appendc('\0'); + info->aliases = copy_stringbuf(); + replace(info->aliases, '-', '_'); + + /* "dependency1 depandency2" */ + reset_stringbuf(); + ptr = find_keyword(module_image, len, "depends="); + if (ptr && *ptr) { + replace(ptr, ',', ' '); + replace(ptr, '-', '_'); + dbg2_error_msg("dep:'%s'", ptr); + append(ptr); + } + appendc('\0'); + info->deps = copy_stringbuf(); + + free(module_image); +} + +static int pathname_matches_modname(const char *pathname, const char *modname) +{ + const char *fname = bb_get_last_path_component_nostrip(pathname); + const char *suffix = strrstr(fname, ".ko"); +//TODO: can do without malloc? + char *name = xstrndup(fname, suffix - fname); + int r; + replace(name, '-', '_'); + r = (strcmp(name, modname) == 0); + free(name); + return r; +} + +static FAST_FUNC int fileAction(const char *pathname, + struct stat *sb UNUSED_PARAM, + void *modname_to_match, + int depth UNUSED_PARAM) +{ + int cur; + const char *fname; + + pathname += 2; /* skip "./" */ + fname = bb_get_last_path_component_nostrip(pathname); + if (!strrstr(fname, ".ko")) { + dbg1_error_msg("'%s' is not a module", pathname); + return TRUE; /* not a module, continue search */ + } + + cur = module_count++; + modinfo = xrealloc_vector(modinfo, 12, cur); + modinfo[cur].pathname = xstrdup(pathname); + /*modinfo[cur].aliases = NULL; - xrealloc_vector did it */ + /*modinfo[cur+1].pathname = NULL;*/ + + if (!pathname_matches_modname(fname, modname_to_match)) { + dbg1_error_msg("'%s' module name doesn't match", pathname); + return TRUE; /* module name doesn't match, continue search */ + } + + dbg1_error_msg("'%s' module name matches", pathname); + module_found_idx = cur; + parse_module(&modinfo[cur], pathname); + + if (!(option_mask32 & OPT_r)) { + if (load_module(pathname, module_load_options) == 0) { + /* Load was successful, there is nothing else to do. + * This can happen ONLY for "top-level" module load, + * not a dep, because deps dont do dirscan. */ + exit(EXIT_SUCCESS); + } + } + + return TRUE; +} + +static int load_dep_bb(void) +{ + char *line; + FILE *fp = fopen_for_read(DEPFILE_BB); + + if (!fp) + return 0; + + dep_bb_seen = 1; + dbg1_error_msg("loading "DEPFILE_BB); + + /* Why? There is a rare scenario: we did not find modprobe.dep.bb, + * we scanned the dir and found no module by name, then we search + * for alias (full scan), and we decided to generate modprobe.dep.bb. + * But we see modprobe.dep.bb.new! Other modprobe is at work! + * We wait and other modprobe renames it to modprobe.dep.bb. + * Now we can use it. + * But we already have modinfo[] filled, and "module_count = 0" + * makes us start anew. Yes, we leak modinfo[].xxx pointers - + * there is not much of data there anyway. */ + module_count = 0; + memset(&modinfo[0], 0, sizeof(modinfo[0])); + + while ((line = xmalloc_fgetline(fp)) != NULL) { + char* space; + int cur; + + if (!line[0]) { + free(line); + continue; + } + space = strchrnul(line, ' '); + cur = module_count++; + modinfo = xrealloc_vector(modinfo, 12, cur); + /*modinfo[cur+1].pathname = NULL; - xrealloc_vector did it */ + modinfo[cur].pathname = line; /* we take ownership of malloced block here */ + if (*space) + *space++ = '\0'; + modinfo[cur].aliases = space; + modinfo[cur].deps = xmalloc_fgetline(fp) ? : xzalloc(1); + if (modinfo[cur].deps[0]) { + /* deps are not "", so next line must be empty */ + line = xmalloc_fgetline(fp); + /* Refuse to work with damaged config file */ + if (line && line[0]) + bb_error_msg_and_die("error in %s at '%s'", DEPFILE_BB, line); + free(line); + } + } + return 1; +} + +static int start_dep_bb_writeout(void) +{ + int fd; + + /* depmod -n: write result to stdout */ + if (applet_name[0] == 'd' && (option_mask32 & 1)) + return STDOUT_FILENO; + + fd = open(DEPFILE_BB".new", O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0644); + if (fd < 0) { + if (errno == EEXIST) { + int count = 5 * 20; + dbg1_error_msg(DEPFILE_BB".new exists, waiting for "DEPFILE_BB); + while (1) { + usleep(1000*1000 / 20); + if (load_dep_bb()) { + dbg1_error_msg(DEPFILE_BB" appeared"); + return -2; /* magic number */ + } + if (!--count) + break; + } + bb_error_msg("deleting stale %s", DEPFILE_BB".new"); + fd = open_or_warn(DEPFILE_BB".new", O_WRONLY | O_CREAT | O_TRUNC); + } + } + dbg1_error_msg("opened "DEPFILE_BB".new:%d", fd); + return fd; +} + +static void write_out_dep_bb(int fd) +{ + int i; + FILE *fp; + + /* We want good error reporting. fdprintf is not good enough. */ + fp = fdopen(fd, "w"); + if (!fp) { + close(fd); + goto err; + } + i = 0; + while (modinfo[i].pathname) { + fprintf(fp, "%s%s%s\n" "%s%s\n", + modinfo[i].pathname, modinfo[i].aliases[0] ? " " : "", modinfo[i].aliases, + modinfo[i].deps, modinfo[i].deps[0] ? "\n" : ""); + i++; + } + /* Badly formatted depfile is a no-no. Be paranoid. */ + errno = 0; + if (ferror(fp) | fclose(fp)) /* | instead of || is intended */ + goto err; + + if (fd == STDOUT_FILENO) /* it was depmod -n */ + goto ok; + + if (rename(DEPFILE_BB".new", DEPFILE_BB) != 0) { + err: + bb_perror_msg("can't create %s", DEPFILE_BB); + unlink(DEPFILE_BB".new"); + } else { + ok: + wrote_dep_bb_ok = 1; + dbg1_error_msg("created "DEPFILE_BB); + } +} + +static module_info* find_alias(const char *alias) +{ + int i; + int dep_bb_fd; + module_info *result; + dbg1_error_msg("find_alias('%s')", alias); + + try_again: + /* First try to find by name (cheaper) */ + i = 0; + while (modinfo[i].pathname) { + if (pathname_matches_modname(modinfo[i].pathname, alias)) { + dbg1_error_msg("found '%s' in module '%s'", + alias, modinfo[i].pathname); + if (!modinfo[i].aliases) { + parse_module(&modinfo[i], modinfo[i].pathname); + } + return &modinfo[i]; + } + i++; + } + + /* Ok, we definitely have to scan module bodies. This is a good + * moment to generate modprobe.dep.bb, if it does not exist yet */ + dep_bb_fd = dep_bb_seen ? -1 : start_dep_bb_writeout(); + if (dep_bb_fd == -2) /* modprobe.dep.bb appeared? */ + goto try_again; + + /* Scan all module bodies, extract modinfo (it contains aliases) */ + i = 0; + result = NULL; + while (modinfo[i].pathname) { + char *desc, *s; + if (!modinfo[i].aliases) { + parse_module(&modinfo[i], modinfo[i].pathname); + } + if (result) { + i++; + continue; + } + /* "alias1 symbol:sym1 alias2 symbol:sym2" */ + desc = str_2_list(modinfo[i].aliases); + /* Does matching substring exist? */ + for (s = desc; *s; s += strlen(s) + 1) { + /* Aliases in module bodies can be defined with + * shell patterns. Example: + * "pci:v000010DEd000000D9sv*sd*bc*sc*i*". + * Plain strcmp() won't catch that */ + if (fnmatch(s, alias, 0) == 0) { + dbg1_error_msg("found alias '%s' in module '%s'", + alias, modinfo[i].pathname); + result = &modinfo[i]; + break; + } + } + free(desc); + if (result && dep_bb_fd < 0) + return result; + i++; + } + + /* Create module.dep.bb if needed */ + if (dep_bb_fd >= 0) { + write_out_dep_bb(dep_bb_fd); + } + + dbg1_error_msg("find_alias '%s' returns %p", alias, result); + return result; +} + +#if ENABLE_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED +// TODO: open only once, invent config_rewind() +static int already_loaded(const char *name) +{ + int ret = 0; + char *s; + parser_t *parser = config_open2("/proc/modules", xfopen_for_read); + while (config_read(parser, &s, 1, 1, "# \t", PARSE_NORMAL & ~PARSE_GREEDY)) { + if (strcmp(s, name) == 0) { + ret = 1; + break; + } + } + config_close(parser); + return ret; +} +#else +#define already_loaded(name) is_rmmod +#endif + +/* + * Given modules definition and module name (or alias, or symbol) + * load/remove the module respecting dependencies. + * NB: also called by depmod with bogus name "/", + * just in order to force modprobe.dep.bb creation. +*/ +#if !ENABLE_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE +#define process_module(a,b) process_module(a) +#define cmdline_options "" +#endif +static void process_module(char *name, const char *cmdline_options) +{ + char *s, *deps, *options; + module_info *info; + int is_rmmod = (option_mask32 & OPT_r) != 0; + dbg1_error_msg("process_module('%s','%s')", name, cmdline_options); + + replace(name, '-', '_'); + + dbg1_error_msg("already_loaded:%d is_rmmod:%d", already_loaded(name), is_rmmod); + if (already_loaded(name) != is_rmmod) { + dbg1_error_msg("nothing to do for '%s'", name); + return; + } + + options = NULL; + if (!is_rmmod) { + char *opt_filename = xasprintf("/etc/modules/%s", name); + options = xmalloc_open_read_close(opt_filename, NULL); + if (options) + replace(options, '\n', ' '); +#if ENABLE_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE + if (cmdline_options) { + /* NB: cmdline_options always have one leading ' ' + * (see main()), we remove it here */ + char *op = xasprintf(options ? "%s %s" : "%s %s" + 3, + cmdline_options + 1, options); + free(options); + options = op; + } +#endif + free(opt_filename); + module_load_options = options; + dbg1_error_msg("process_module('%s'): options:'%s'", name, options); + } + + if (!module_count) { + /* Scan module directory. This is done only once. + * It will attempt module load, and will exit(EXIT_SUCCESS) + * on success. */ + module_found_idx = -1; + recursive_action(".", + ACTION_RECURSE, /* flags */ + fileAction, /* file action */ + NULL, /* dir action */ + name, /* user data */ + 0); /* depth */ + dbg1_error_msg("dirscan complete"); + /* Module was not found, or load failed, or is_rmmod */ + if (module_found_idx >= 0) { /* module was found */ + info = &modinfo[module_found_idx]; + } else { /* search for alias, not a plain module name */ + info = find_alias(name); + } + } else { + info = find_alias(name); + } + + /* rmmod? unload it by name */ + if (is_rmmod) { + if (delete_module(name, O_NONBLOCK | O_EXCL) != 0 + && !(option_mask32 & OPT_q) + ) { + bb_perror_msg("remove '%s'", name); + goto ret; + } + /* N.B. we do not stop here - + * continue to unload modules on which the module depends: + * "-r --remove: option causes modprobe to remove a module. + * If the modules it depends on are also unused, modprobe + * will try to remove them, too." */ + } + + if (!info) { + /* both dirscan and find_alias found nothing */ + if (applet_name[0] != 'd') /* it wasn't depmod */ + bb_error_msg("module '%s' not found", name); +//TODO: _and_die()? + goto ret; + } + + /* Iterate thru dependencies, trying to (un)load them */ + deps = str_2_list(info->deps); + for (s = deps; *s; s += strlen(s) + 1) { + //if (strcmp(name, s) != 0) // N.B. do loops exist? + dbg1_error_msg("recurse on dep '%s'", s); + process_module(s, NULL); + dbg1_error_msg("recurse on dep '%s' done", s); + } + free(deps); + + /* modprobe -> load it */ + if (!is_rmmod) { + if (!options || strstr(options, "blacklist") == NULL) { + errno = 0; + if (load_module(info->pathname, options) != 0) { + if (EEXIST != errno) { + bb_error_msg("'%s': %s", + info->pathname, + moderror(errno)); + } else { + dbg1_error_msg("'%s': %s", + info->pathname, + moderror(errno)); + } + } + } else { + dbg1_error_msg("'%s': blacklisted", info->pathname); + } + } + ret: + free(options); +//TODO: return load attempt result from process_module. +//If dep didn't load ok, continuing makes little sense. +} +#undef cmdline_options + + +/* For reference, module-init-tools v3.4 options: + +# insmod +Usage: insmod filename [args] + +# rmmod --help +Usage: rmmod [-fhswvV] modulename ... + -f (or --force) forces a module unload, and may crash your + machine. This requires the Forced Module Removal option + when the kernel was compiled. + -h (or --help) prints this help text + -s (or --syslog) says use syslog, not stderr + -v (or --verbose) enables more messages + -V (or --version) prints the version code + -w (or --wait) begins module removal even if it is used + and will stop new users from accessing the module (so it + should eventually fall to zero). + +# modprobe +Usage: modprobe [-v] [-V] [-C config-file] [-n] [-i] [-q] [-b] + [-o <modname>] [ --dump-modversions ] <modname> [parameters...] +modprobe -r [-n] [-i] [-v] <modulename> ... +modprobe -l -t <dirname> [ -a <modulename> ...] + +# depmod --help +depmod 3.4 -- part of module-init-tools +depmod -[aA] [-n -e -v -q -V -r -u] + [-b basedirectory] [forced_version] +depmod [-n -e -v -q -r -u] [-F kernelsyms] module1.ko module2.ko ... +If no arguments (except options) are given, "depmod -a" is assumed. +depmod will output a dependency list suitable for the modprobe utility. +Options: + -a, --all Probe all modules + -A, --quick Only does the work if there's a new module + -n, --show Write the dependency file on stdout only + -e, --errsyms Report not supplied symbols + -V, --version Print the release version + -v, --verbose Enable verbose mode + -h, --help Print this usage message +The following options are useful for people managing distributions: + -b basedirectory + --basedir basedirectory + Use an image of a module tree + -F kernelsyms + --filesyms kernelsyms + Use the file instead of the current kernel symbols +*/ + +int modprobe_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int modprobe_main(int argc UNUSED_PARAM, char **argv) +{ + struct utsname uts; + char applet0 = applet_name[0]; + USE_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(char *options;) + + /* are we lsmod? -> just dump /proc/modules */ + if ('l' == applet0) { + xprint_and_close_file(xfopen_for_read("/proc/modules")); + return EXIT_SUCCESS; + } + + INIT_G(); + + /* Prevent ugly corner cases with no modules at all */ + modinfo = xzalloc(sizeof(modinfo[0])); + + if ('i' != applet0) { /* not insmod */ + /* Goto modules directory */ + xchdir(CONFIG_DEFAULT_MODULES_DIR); + } + uname(&uts); /* never fails */ + + /* depmod? */ + if ('d' == applet0) { + /* Supported: + * -n: print result to stdout + * -a: process all modules (default) + * optional VERSION parameter + * Ignored: + * -A: do work only if a module is newer than depfile + * -e: report any symbols which a module needs + * which are not supplied by other modules or the kernel + * -F FILE: System.map (symbols for -e) + * -q, -r, -u: noop? + * Not supported: + * -b BASEDIR: (TODO!) modules are in + * $BASEDIR/lib/modules/$VERSION + * -v: human readable deps to stdout + * -V: version (don't want to support it - people may depend + * on it as an indicator of "standard" depmod) + * -h: help (well duh) + * module1.o module2.o parameters (just ignored for now) + */ + getopt32(argv, "na" "AeF:qru" /* "b:vV", NULL */, NULL); + argv += optind; + /* if (argv[0] && argv[1]) bb_show_usage(); */ + /* Goto $VERSION directory */ + xchdir(argv[0] ? argv[0] : uts.release); + /* Force full module scan by asking to find a bogus module. + * This will generate modules.dep.bb as a side effect. */ + process_module((char*)"/", NULL); + return !wrote_dep_bb_ok; + } + + /* insmod, modprobe, rmmod require at least one argument */ + opt_complementary = "-1"; + /* only -q (quiet) and -r (rmmod), + * the rest are accepted and ignored (compat) */ + getopt32(argv, "qrfsvw"); + argv += optind; + + /* are we rmmod? -> simulate modprobe -r */ + if ('r' == applet0) { + option_mask32 |= OPT_r; + } + + if ('i' != applet0) { /* not insmod */ + /* Goto $VERSION directory */ + xchdir(uts.release); + } + +#if ENABLE_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE + /* If not rmmod, parse possible module options given on command line. + * insmod/modprobe takes one module name, the rest are parameters. */ + options = NULL; + if ('r' != applet0) { + char **arg = argv; + while (*++arg) { + /* Enclose options in quotes */ + char *s = options; + options = xasprintf("%s \"%s\"", s ? s : "", *arg); + free(s); + *arg = NULL; + } + } +#else + if ('r' != applet0) + argv[1] = NULL; +#endif + + if ('i' == applet0) { /* insmod */ + size_t len; + void *map; + + len = MAXINT(ssize_t); + map = xmalloc_xopen_read_close(*argv, &len); + if (init_module(map, len, + USE_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(options ? options : "") + SKIP_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE("") + ) != 0) + bb_error_msg_and_die("can't insert '%s': %s", + *argv, moderror(errno)); + return 0; + } + + /* Try to load modprobe.dep.bb */ + load_dep_bb(); + + /* Load/remove modules. + * Only rmmod loops here, modprobe has only argv[0] */ + do { + process_module(*argv++, options); + } while (*argv); + + if (ENABLE_FEATURE_CLEAN_UP) { + USE_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(free(options);) + } + return EXIT_SUCCESS; +} |