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/ fixes possibility for accessing of struct when null

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5896 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Ben Kramer
2005-06-10 03:18:24 +00:00
parent 79392ea53b
commit 20c26996ef
1 changed files with 22 additions and 17 deletions
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39
channels/chan_vpb.c
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@@ -1149,8 +1149,13 @@ static inline int monitor_handle_notowned(struct vpb_pvt *p, VPB_EVENT *e)
}
} else if (e->data == p->ring_timer_id) {
/* We didnt get another ring in time! */
if (p->owner->_state != AST_STATE_UP) {
/* Assume caller has hung up */
if (p->owner){
if (p->owner->_state != AST_STATE_UP) {
/* Assume caller has hung up */
vpb_timer_stop(p->ring_timer);
}
} else {
/* No owner any more, Assume caller has hung up */
vpb_timer_stop(p->ring_timer);
}
}
@@ -2238,21 +2243,21 @@ static int vpb_write(struct ast_channel *ast, struct ast_frame *frame)
/* return ((double)tv.tv_sec*1000)+((double)tv.tv_usec/1000); */
if ((p->read_state == 1)&&(p->play_buf_time<5)){
gettimeofday(&play_buf_time_start,NULL);
res = vpb_play_buf_sync(p->handle, (char*)frame->data, frame->datalen);
if( (res == VPB_OK) && (option_verbose > 5) ) {
short * data = (short*)frame->data;
ast_verbose("%s: vpb_write: Wrote chan (codec=%d) %d %d\n", p->dev, fmt, data[0],data[1]);
}
gettimeofday(&play_buf_time_finish,NULL);
if (play_buf_time_finish.tv_sec == play_buf_time_start.tv_sec){
p->play_buf_time=(int)((play_buf_time_finish.tv_usec-play_buf_time_start.tv_usec)/1000);
/* ast_log(LOG_DEBUG, "%s: vpb_write: Timing start(%d) finish(%d)\n", p->dev,play_buf_time_start.tv_usec,play_buf_time_finish.tv_usec); */
}
else {
p->play_buf_time=(int)((play_buf_time_finish.tv_sec - play_buf_time_start.tv_sec)*100)+(int)((play_buf_time_finish.tv_usec-play_buf_time_start.tv_usec)/1000);
}
/* ast_log(LOG_DEBUG, "%s: vpb_write: Wrote data [%d](%d=>%s) to play_buf in [%d]ms..\n", p->dev,frame->datalen,fmt,ast2vpbformatname(frame->subclass),p->play_buf_time); */
gettimeofday(&play_buf_time_start,NULL);
res = vpb_play_buf_sync(p->handle, (char*)frame->data, frame->datalen);
if( (res == VPB_OK) && (option_verbose > 5) ) {
short * data = (short*)frame->data;
ast_verbose("%s: vpb_write: Wrote chan (codec=%d) %d %d\n", p->dev, fmt, data[0],data[1]);
}
gettimeofday(&play_buf_time_finish,NULL);
if (play_buf_time_finish.tv_sec == play_buf_time_start.tv_sec){
p->play_buf_time=(int)((play_buf_time_finish.tv_usec-play_buf_time_start.tv_usec)/1000);
/* ast_log(LOG_DEBUG, "%s: vpb_write: Timing start(%d) finish(%d)\n", p->dev,play_buf_time_start.tv_usec,play_buf_time_finish.tv_usec); */
}
else {
p->play_buf_time=(int)((play_buf_time_finish.tv_sec - play_buf_time_start.tv_sec)*100)+(int)((play_buf_time_finish.tv_usec-play_buf_time_start.tv_usec)/1000);
}
/* ast_log(LOG_DEBUG, "%s: vpb_write: Wrote data [%d](%d=>%s) to play_buf in [%d]ms..\n", p->dev,frame->datalen,fmt,ast2vpbformatname(frame->subclass),p->play_buf_time); */
}
else {
p->chuck_count++;