1 files changed, 5 insertions, 2 deletions

diff --git a/src/usr.sbin/ocspcheck/ocspcheck.c b/src/usr.sbin/ocspcheck/ocspcheck.c
index ea06c128c4..d9f7104bec 100644
--- a/src/usr.sbin/ocspcheck/ocspcheck.c
+++ b/src/usr.sbin/ocspcheck/ocspcheck.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ocspcheck.c,v 1.26 2020/01/23 03:53:39 tb Exp $ */
+/* $OpenBSD: ocspcheck.c,v 1.27 2020/09/04 04:17:46 tb Exp $ */
 
 /*
  * Copyright (c) 2017 Bob Beck <beck@openbsd.org>
@@ -707,9 +707,12 @@ main(int argc, char **argv)
          * write out the DER format response to the staplefd
          */
         if (staplefd >= 0) {
-                while (ftruncate(staplefd, 0) < 0)
+                while (ftruncate(staplefd, 0) < 0) {
+                        if (errno == EINVAL)
+                                break;
                         if (errno != EINTR && errno != EAGAIN)
                                 err(1, "Write of OCSP response failed");
+                }
                 w = 0;
                 written = 0;
                 while (written < instaplesz) {