[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/modutils/rmmod.c b/ap/app/busybox/src/modutils/rmmod.c
new file mode 100644
index 0000000..f13ff9e
--- /dev/null
+++ b/ap/app/busybox/src/modutils/rmmod.c
@@ -0,0 +1,67 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini rmmod implementation for busybox
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ * Copyright (C) 2008 Timo Teras <timo.teras@iki.fi>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+//applet:IF_RMMOD(APPLET(rmmod, BB_DIR_SBIN, BB_SUID_DROP))
+
+//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: "\n -w Wait until the module is no longer used"
+//usage: "\n -f Force unload"
+//usage: "\n -a Remove all unused modules (recursively)"
+//usage:#define rmmod_example_usage
+//usage: "$ rmmod tulip\n"
+//usage:#endif
+
+#include "libbb.h"
+#include "modutils.h"
+
+int rmmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int rmmod_main(int argc UNUSED_PARAM, char **argv)
+{
+ int n;
+ unsigned flags = O_NONBLOCK | O_EXCL;
+
+ /* Parse command line. */
+ n = getopt32(argv, "wfas"); // -s ignored
+ argv += optind;
+ if (n & 1) // --wait
+ flags &= ~O_NONBLOCK;
+ 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)
+ bb_perror_msg_and_die("rmmod");
+ return EXIT_SUCCESS;
+ }
+
+ if (!*argv)
+ bb_show_usage();
+
+ n = ENABLE_FEATURE_2_4_MODULES && get_linux_version_code() < KERNEL_VERSION(2,6,0);
+ while (*argv) {
+ char modname[MODULE_NAME_LEN];
+ const char *bname;
+
+ bname = bb_basename(*argv++);
+ if (n)
+ 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));
+ }
+
+ return EXIT_SUCCESS;
+}