Author: markj
Date: Wed Jun 26 17:42:47 2019
New Revision: 349435
URL: https://svnweb.freebsd.org/changeset/base/349435
Log:
MFC r349196:
Make zlib encoding messages idempotent.
PR: 238333
Modified:
stable/11/usr.sbin/bhyve/rfb.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/usr.sbin/bhyve/rfb.c
==============================================================================
--- stable/11/usr.sbin/bhyve/rfb.c Wed Jun 26 17:41:38 2019
(r349434)
+++ stable/11/usr.sbin/bhyve/rfb.c Wed Jun 26 17:42:47 2019
(r349435)
@@ -270,8 +270,10 @@ rfb_recv_set_encodings_msg(struct rfb_softc *rc, int c
rc->enc_raw_ok = true;
break;
case RFB_ENCODING_ZLIB:
- rc->enc_zlib_ok = true;
- deflateInit(&rc->zstream, Z_BEST_SPEED);
+ if (!rc->enc_zlib_ok) {
+ deflateInit(&rc->zstream, Z_BEST_SPEED);
+ rc->enc_zlib_ok = true;
+ }
break;
case RFB_ENCODING_RESIZE:
rc->enc_resize_ok = true;
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