vnc: fix segfault

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Merge remote-tracking branch 'remotes/kraxel/tags/pull-vnc-20151126-1' into staging

vnc: fix segfault

# gpg: Signature made Thu 26 Nov 2015 07:37:43 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-vnc-20151126-1:
  vnc: fix segfault

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-11-26 10:58:10 +00:00
commit fe4cf57da7

View file

@ -931,6 +931,11 @@ static void vnc_dpy_copy(DisplayChangeListener *dcl,
int i, x, y, pitch, inc, w_lim, s;
int cmp_bytes;
if (!vd->server) {
/* no client connected */
return;
}
vnc_refresh_server_surface(vd);
QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) {
if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) {