Index: coreutils/diff.c
===================================================================
--- coreutils/diff.c	(revision 18333)
+++ coreutils/diff.c	(working copy)
@@ -1070,7 +1070,7 @@
 static char **get_dir(char *path)
 {
 	dl_count = 0;
-	dl = NULL;
+	dl = xmalloc(sizeof(dl[0]));
 
 	/* If -r has been set, then the recursive_action function will be
 	 * used. Unfortunately, this outputs the root directory along with