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channels: Fix a possible null pointer dereference.

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This commit is contained in:
Andreas Schneider 2012-10-05 11:16:03 +02:00
parent 6092596199
commit 656fd60110
1 changed files with 3 additions and 1 deletions
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4
src/channels.c
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@ -1600,7 +1600,7 @@ 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;
@ -1608,6 +1608,8 @@ int ssh_channel_request_pty_size(ssh_channel channel, const char *terminal,
if(channel == NULL) { if(channel == NULL) {
return SSH_ERROR; return SSH_ERROR;
} }
session = channel->session;
if(terminal == NULL) { if(terminal == NULL) {
ssh_set_error_invalid(channel->session); ssh_set_error_invalid(channel->session);
return rc; return rc;