https://origsvn.digium.com/svn/asterisk/branches/1.4
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r74515 | file | 2007-07-11 11:09:13 -0300 (Wed, 11 Jul 2007) | 2 lines
Only check if we need to do a SIGMA based tone generation if we have a card. (issue #10179 reported by mikowhy)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@74516
65c4cc65-6c06-0410-ace0-
fbb531ad65f3
ast_mutex_unlock(&iflock);
/* Wait indefinitely for something to happen */
- if (dotone && i->mode != MODE_SIGMA) {
+ if (dotone && i && i->mode != MODE_SIGMA) {
/* If we're ready to recycle the time, set it to 30 ms */
tonepos += 240;
if (tonepos >= sizeof(DialTone))