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channel: Fix a possible null pointer dereference.

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This commit is contained in:
Andreas Schneider
2012-10-05 11:17:06 +02:00
parent 656fd60110
commit ceb8072b34
1 changed files with 3 additions and 1 deletions
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4
src/channels.c
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@@ -2500,7 +2500,7 @@ error:
*/
int channel_read_buffer(ssh_channel channel, ssh_buffer buffer, uint32_t count,
int is_stderr) {
ssh_session session=channel->session;
ssh_session session;
char buffer_tmp[8192];
int r;
uint32_t total=0;
@@ -2508,6 +2508,8 @@ int channel_read_buffer(ssh_channel channel, ssh_buffer buffer, uint32_t count,
if(channel == NULL) {
return SSH_ERROR;
}
session = channel->session;
if(buffer == NULL) {
ssh_set_error_invalid(channel->session);
return SSH_ERROR;