a nonexistent channel. I don't quite know why this was happening,
but whatever it was this ought to fix it.
git-svn-id: svn://svn.tartarus.org/sgt/putty@1540
cda61777-01e9-0310-a592-
d414129be87e
*/
static void ssh2_set_window(struct ssh_channel *c, unsigned newwin)
{
+ /*
+ * Never send WINDOW_ADJUST for a channel that the remote side
+ * already thinks it's closed; there's no point, since it won't
+ * be sending any more data anyway.
+ */
+ if (c->closes != 0)
+ return;
+
if (newwin > c->v.v2.locwindow) {
ssh2_pkt_init(SSH2_MSG_CHANNEL_WINDOW_ADJUST);
ssh2_pkt_adduint32(c->remoteid);