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authorfile <file@f38db490-d61c-443f-a65b-d21fe96a405b>2007-07-11 14:09:13 +0000
committerfile <file@f38db490-d61c-443f-a65b-d21fe96a405b>2007-07-11 14:09:13 +0000
commit295254337cafa5906980768e11c7623234858740 (patch)
tree43a41c15ea24820e18d9bb98092f81b235cd1e09
parentf3527da49e8310cb0cbc2eccf14ed7814a506f72 (diff)
Only check if we need to do a SIGMA based tone generation if we have a card. (issue #10179 reported by mikowhy)
git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@74515 f38db490-d61c-443f-a65b-d21fe96a405b
-rw-r--r--channels/chan_phone.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/channels/chan_phone.c b/channels/chan_phone.c
index d5b4500a9..2e6d89bc2 100644
--- a/channels/chan_phone.c
+++ b/channels/chan_phone.c
@@ -1044,7 +1044,7 @@ static void *do_monitor(void *data)
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))