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mirror of https://git.tartarus.org/simon/putty.git synced 2025-01-25 01:02:24 +00:00

In the various channel request mini-coroutines, replace

crWaitUntilV(pktin) with plain crReturnV, because those coroutines can
be called back either with a response packet from the channel request
_or_ with NULL by ssh_free meaning 'please just clean yourself up'.

[originally from svn r9927]
This commit is contained in:
Simon Tatham 2013-07-14 17:08:35 +00:00
parent 16d62f6d94
commit 0d7f2fdabc

16
ssh.c
View File

@ -7543,7 +7543,9 @@ static void ssh2_setup_x11(struct ssh_channel *c, struct Packet *pktin,
ssh2_pkt_adduint32(pktout, ssh->x11disp->screennum);
ssh2_pkt_send(ssh, pktout);
crWaitUntilV(pktin);
/* Wait to be called back with either a response packet, or NULL
* meaning clean up and free our data */
crReturnV;
if (pktin) {
if (pktin->type == SSH2_MSG_CHANNEL_SUCCESS) {
@ -7573,7 +7575,9 @@ static void ssh2_setup_agent(struct ssh_channel *c, struct Packet *pktin,
ssh2_setup_agent, s);
ssh2_pkt_send(ssh, pktout);
crWaitUntilV(pktin);
/* Wait to be called back with either a response packet, or NULL
* meaning clean up and free our data */
crReturnV;
if (pktin) {
if (pktin->type == SSH2_MSG_CHANNEL_SUCCESS) {
@ -7620,7 +7624,9 @@ static void ssh2_setup_pty(struct ssh_channel *c, struct Packet *pktin,
ssh2_pkt_send(ssh, pktout);
ssh->state = SSH_STATE_INTERMED;
crWaitUntilV(pktin);
/* Wait to be called back with either a response packet, or NULL
* meaning clean up and free our data */
crReturnV;
if (pktin) {
if (pktin->type == SSH2_MSG_CHANNEL_SUCCESS) {
@ -7678,7 +7684,9 @@ static void ssh2_setup_env(struct ssh_channel *c, struct Packet *pktin,
s->env_left = s->num_env;
while (s->env_left > 0) {
crWaitUntilV(pktin);
/* Wait to be called back with either a response packet,
* or NULL meaning clean up and free our data */
crReturnV;
if (!pktin) goto out;
if (pktin->type == SSH2_MSG_CHANNEL_SUCCESS)
s->env_ok++;