1 files changed, 42 insertions, 0 deletions
diff --git a/toolbox/rmmod.c b/toolbox/rmmod.c
new file mode 100644
index 000000000..7e10c061b
--- /dev/null
+++ b/toolbox/rmmod.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <malloc.h>
+#include <errno.h>
+#include <asm/unistd.h>
+
+extern int delete_module(const char *, unsigned int);
+
+int rmmod_main(int argc, char **argv)
+{
+	int ret;
+	char *modname, *dot;
+
+	/* make sure we've got an argument */
+	if (argc < 2) {
+		fprintf(stderr, "usage: rmmod <module>\n");
+		return -1;
+	}
+
+	/* if given /foo/bar/blah.ko, make a weak attempt
+	 * to convert to "blah", just for convenience
+	 */
+	modname = strrchr(argv[1], '/');
+	if (!modname)
+		modname = argv[1];
+	dot = strchr(argv[1], '.');
+	if (dot)
+		*dot = '\0';
+
+	/* pass it to the kernel */
+	ret = delete_module(modname, O_NONBLOCK | O_EXCL);
+	if (ret != 0) {
+		fprintf(stderr, "rmmod: delete_module '%s' failed (errno %d)\n",
+						modname, errno);
+		return -1;
+	}
+
+	return 0;
+}
+