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channels: Fix a possible null pointer dereference.

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(cherry picked from commit 656fd60110)
This commit is contained in:
Andreas Schneider
2012-10-05 11:16:03 +02:00
parent dc8f0cddee
commit 3eac8e1c18
1 changed files with 6 additions and 1 deletions
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7
src/channels.c
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@@ -1495,11 +1495,16 @@ error:
*/ */
int ssh_channel_request_pty_size(ssh_channel channel, const char *terminal, int ssh_channel_request_pty_size(ssh_channel channel, const char *terminal,
int col, int row) { int col, int row) {
ssh_session session = channel->session; ssh_session session;
ssh_string term = NULL; ssh_string term = NULL;
ssh_buffer buffer = NULL; ssh_buffer buffer = NULL;
int rc = SSH_ERROR; int rc = SSH_ERROR;
if (channel == NULL) {
return SSH_ERROR;
}
session = channel->session;
enter_function(); enter_function();
#ifdef WITH_SSH1 #ifdef WITH_SSH1
if (channel->version==1) { if (channel->version==1) {