Plug memleak in rcs_translate_tag() that was causing havoc on large repos.

diff --git a/usr.bin/cvs/rcs.c b/usr.bin/cvs/rcs.c
index d2b68ee..3efe66a 100644 (file)
--- a/usr.bin/cvs/rcs.c
+++ b/usr.bin/cvs/rcs.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: rcs.c,v 1.316 2016/10/15 22:20:17 millert Exp $       */
+/*     $OpenBSD: rcs.c,v 1.317 2017/05/31 16:31:55 joris Exp $ */
 /*
  * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
  * All rights reserved.
@@ -2589,6 +2589,8 @@ rcs_translate_tag(const char *revstr, RCSFILE *rfp)
                cdate = cvs_directory_date;
 
        if (cdate == -1) {
+               free(frev);
+
                /* XXX */
                if (rev->rn_len < 4 || !follow) {
                        return (rev);