Avoid using an uninitialized variable.

Found by gcc.

OK jca@

1 files changed, 6 insertions, 4 deletions

diff --git a/src/usr.sbin/ocspcheck/ocspcheck.c b/src/usr.sbin/ocspcheck/ocspcheck.c
index 133401003e..551a8fa091 100644
--- a/src/usr.sbin/ocspcheck/ocspcheck.c
+++ b/src/usr.sbin/ocspcheck/ocspcheck.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ocspcheck.c,v 1.23 2017/11/29 21:15:45 jmc Exp $ */
+/* $OpenBSD: ocspcheck.c,v 1.24 2017/12/01 14:42:23 visa Exp $ */
 
 /*
  * Copyright (c) 2017 Bob Beck <beck@openbsd.org>
@@ -632,6 +632,8 @@ main(int argc, char **argv)
                 if (!validate_response(hget->bodypart, hget->bodypartsz,
                         request, castore, host, certfile))
                         exit(1);
+                instaple = hget->bodypart;
+                instaplesz = hget->bodypartsz;
         } else {
                 size_t nr = 0;
                 instaplesz = 0;
@@ -671,9 +673,9 @@ main(int argc, char **argv)
                 (void) ftruncate(staplefd, 0);
                 w = 0;
                 written = 0;
-                while (written < hget->bodypartsz) {
-                        w = write(staplefd, hget->bodypart + written,
-                            hget->bodypartsz - written);
+                while (written < instaplesz) {
+                        w = write(staplefd, instaple + written,
+                            instaplesz - written);
                         if (w == -1) {
                                 if (errno != EINTR && errno != EAGAIN)
                                         err(1, "Write of OCSP response failed");