diff -Naur a/util-linux/rdev.c b/util-linux/rdev.c
--- a/util-linux/rdev.c	2011-09-05 19:35:17.000000000 -0700
+++ b/util-linux/rdev.c	2014-10-24 11:41:55.922803554 -0700
@@ -23,10 +23,11 @@
 int rdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rdev_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 {
-	char const * const root_device = find_block_device("/");
+	char * const root_device = find_block_device("/");
 
 	if (root_device != NULL) {
 		printf("%s /\n", root_device);
+		free(root_device);
 		return EXIT_SUCCESS;
 	}
 	return EXIT_FAILURE;