diff options
Diffstat (limited to 'channels/chan_zap.c')
| -rw-r--r-- | channels/chan_zap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/channels/chan_zap.c b/channels/chan_zap.c index d20596dbd..6c0967081 100644 --- a/channels/chan_zap.c +++ b/channels/chan_zap.c @@ -6111,6 +6111,8 @@ static void *ss_thread(void *data) return NULL; } f = ast_read(chan); + if (!f) + break; if (f->frametype == AST_FRAME_DTMF) { dtmfbuf[i++] = f->subclass; ast_log(LOG_DEBUG, "CID got digit '%c'\n", f->subclass); |