1 files changed, 47 insertions, 0 deletions
diff --git a/modutils/rmmod.c b/modutils/rmmod.c
new file mode 100644
index 0000000..cdc690a
--- /dev/null
+++ b/modutils/rmmod.c
@@ -0,0 +1,47 @@
+/* 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 tarball for details.
+ */
+
+#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 int 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();
+
+	while (*argv) {
+		char modname[MODULE_NAME_LEN];
+		filename2modname(bb_basename(*argv++), modname);
+		if (bb_delete_module(modname, flags))
+			bb_error_msg_and_die("cannot unload '%s': %s",
+					     modname, moderror(errno));
+	}
+
+	return EXIT_SUCCESS;
+}