diff options
author | Mark Michelson <mmichelson@digium.com> | 2009-06-12 14:55:07 +0000 |
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committer | Mark Michelson <mmichelson@digium.com> | 2009-06-12 14:55:07 +0000 |
commit | d222361a29a78a23f7e465c4a4271318fd61386d (patch) | |
tree | a3084a98a21485cd411e89752c5a5f5f0e9cb397 /apps/app_queue.c | |
parent | 4e9cce1b72da106b40636ba9b98de258af3d3272 (diff) |
Fix a potential crash from trying to access a NULL channel pointer.
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@200290 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Diffstat (limited to 'apps/app_queue.c')
-rw-r--r-- | apps/app_queue.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/apps/app_queue.c b/apps/app_queue.c index 65b297052..8fe2cdc98 100644 --- a/apps/app_queue.c +++ b/apps/app_queue.c @@ -3086,9 +3086,11 @@ static struct callattempt *wait_for_answer(struct queue_ent *qe, struct callatte * ast_strdupa in a loop like this one can cause a stack overflow */ char ochan_name[AST_CHANNEL_NAME]; - ast_channel_lock(o->chan); - ast_copy_string(ochan_name, o->chan->name, sizeof(ochan_name)); - ast_channel_unlock(o->chan); + if (o->chan) { + ast_channel_lock(o->chan); + ast_copy_string(ochan_name, o->chan->name, sizeof(ochan_name)); + ast_channel_unlock(o->chan); + } if (o->stillgoing && (o->chan) && (o->chan->_state == AST_STATE_UP)) { if (!peer) { ast_verb(3, "%s answered %s\n", ochan_name, inchan_name); |