Don't hold channel lock while sleeping/waiting for audio stream to get setup. (issue #8834 reported by phsultan)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@51193 65c4cc65-6c06-0410-ace0-fbb531ad65f3

1 files changed, 2 insertions, 0 deletions

diff --git a/main/channel.c b/main/channel.c
index 95639ebde..ed32cdc47 100644
--- a/main/channel.c
+++ b/main/channel.c
@@ -1637,8 +1637,10 @@ int __ast_answer(struct ast_channel *chan, unsigned int delay)
 			res = chan->tech->answer(chan);
 		ast_setstate(chan, AST_STATE_UP);
 		ast_cdr_answer(chan->cdr);
+		ast_channel_unlock(chan);
 		if (delay)
 			ast_safe_sleep(chan, delay);
+		return res;
 		break;
 	case AST_STATE_UP:
 		ast_cdr_answer(chan->cdr);