From c8b221e03fbc34e111b7a0a3b8a2d3fa75de609e Mon Sep 17 00:00:00 2001
From: George McWilliams <geams31@users.sf.net>
Date: Thu, 18 Jun 2015 13:55:19 -0600
Subject: [PATCH] Uninitialized variable can cause hardfault from getopt if
 required argument is missing.

---
 libc/unistd/lib_getopt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libc/unistd/lib_getopt.c b/libc/unistd/lib_getopt.c
index 4399e6140b..bda9666be5 100644
--- a/libc/unistd/lib_getopt.c
+++ b/libc/unistd/lib_getopt.c
@@ -258,6 +258,7 @@ int getopt(int argc, FAR char *const argv[], FAR const char *optstring)
 
         /* No argument was supplied */
 
+        g_optptr = NULL;
         optarg = NULL;
         optopt = *optchar;
         optind++;