diff options
| -rwxr-xr-x | channels/chan_zap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/channels/chan_zap.c b/channels/chan_zap.c index 1071e225c..b8173e517 100755 --- a/channels/chan_zap.c +++ b/channels/chan_zap.c @@ -3463,8 +3463,10 @@ struct ast_frame *zt_read(struct ast_channel *ast) ZT_PARAMS ps; ps.channo = p->channel; - if (ioctl(p->subs[SUB_REAL].zfd, ZT_GET_PARAMS, &ps) < 0) + if (ioctl(p->subs[SUB_REAL].zfd, ZT_GET_PARAMS, &ps) < 0) { + ast_mutex_unlock(&p->lock); return NULL; + } p->firstradio = 1; p->subs[index].f.frametype = AST_FRAME_CONTROL; if (ps.rxisoffhook) @@ -3580,6 +3582,7 @@ struct ast_frame *zt_read(struct ast_channel *ast) c = tdd_feed(p->tdd,readbuf,READ_SIZE); if (c < 0) { ast_log(LOG_DEBUG,"tdd_feed failed\n"); + ast_mutex_unlock(&p->lock); return NULL; } if (c) { /* if a char to return */ |