X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=modutils%2Frmmod.c;h=df50e58afe4be1f6c4639ecedecc36c443131cd3;hb=9a4100cf53f75356854ce752374babf8135c3f42;hp=dde77731f11ce3f6752d1d03f47ac40f793537ae;hpb=1a5e11c874a1f53c5205140a9d675b7e6404bbc9;p=oweals%2Fbusybox.git diff --git a/modutils/rmmod.c b/modutils/rmmod.c index dde77731f..df50e58af 100644 --- a/modutils/rmmod.c +++ b/modutils/rmmod.c @@ -7,15 +7,24 @@ * * Licensed under GPLv2 or later, see file LICENSE in this source tree. */ +//config:config RMMOD +//config: bool "rmmod (3.6 kb)" +//config: default y +//config: select PLATFORM_LINUX +//config: help +//config: rmmod is used to unload specified modules from the kernel. -//applet:IF_RMMOD(APPLET(rmmod, _BB_DIR_SBIN, _BB_SUID_DROP)) +//applet:IF_RMMOD(IF_NOT_MODPROBE_SMALL(APPLET_NOEXEC(rmmod, rmmod, BB_DIR_SBIN, BB_SUID_DROP, rmmod))) + +//kbuild:ifneq ($(CONFIG_MODPROBE_SMALL),y) +//kbuild:lib-$(CONFIG_RMMOD) += rmmod.o modutils.o +//kbuild:endif //usage:#if !ENABLE_MODPROBE_SMALL //usage:#define rmmod_trivial_usage //usage: "[-wfa] [MODULE]..." //usage:#define rmmod_full_usage "\n\n" //usage: "Unload kernel modules\n" -//usage: "\nOptions:" //usage: "\n -w Wait until the module is no longer used" //usage: "\n -f Force unload" //usage: "\n -a Remove all unused modules (recursively)" @@ -29,19 +38,20 @@ int rmmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int rmmod_main(int argc UNUSED_PARAM, char **argv) { - int n; + int n, err; unsigned flags = O_NONBLOCK | O_EXCL; /* Parse command line. */ n = getopt32(argv, "wfas"); // -s ignored argv += optind; - if (n & 1) // --wait + if (n & 1) // --wait flags &= ~O_NONBLOCK; - if (n & 2) // --force + if (n & 2) // --force flags |= O_TRUNC; if (n & 4) { /* Unload _all_ unused modules via NULL delete_module() call */ - if (bb_delete_module(NULL, flags) != 0 && errno != EFAULT) + err = bb_delete_module(NULL, flags); + if (err && err != EFAULT) bb_perror_msg_and_die("rmmod"); return EXIT_SUCCESS; } @@ -59,9 +69,10 @@ int rmmod_main(int argc UNUSED_PARAM, char **argv) safe_strncpy(modname, bname, MODULE_NAME_LEN); else filename2modname(bname, modname); - if (bb_delete_module(modname, flags)) - bb_error_msg_and_die("can't unload '%s': %s", - modname, moderror(errno)); + err = bb_delete_module(modname, flags); + if (err) + bb_perror_msg_and_die("can't unload module '%s'", + modname); } return EXIT_SUCCESS;