From 19f537c691dad205142482e9a7a1ba72153f5c07 Mon Sep 17 00:00:00 2001
From: Andreas Eversberg <jolly@eversberg.eu>
Date: Sat, 18 Aug 2012 10:10:08 +0200
Subject: [PATCH] Fix: Prevent Asterisk from aborting when delivering
 ast_frames

---
 chan_lcr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/chan_lcr.c b/chan_lcr.c
index a4b1a15..2278510 100644
--- a/chan_lcr.c
+++ b/chan_lcr.c
@@ -2782,11 +2782,12 @@ static int lcr_write(struct ast_channel *ast, struct ast_frame *fr)
 	call = ast_channel_tech_pvt(ast);
 #endif
 	if (!call || !call->ref) {
+		/* drop the frame, if no ref exists, but return successfull delivery, or asterisk will abort connection */
 		ast_mutex_unlock(&chan_lock);
 		if (f != fr) {
 			ast_frfree(f);
 		}
-		return -1;
+		return 0;
 	}
 	len = f->samples;
 	p = *((unsigned char **)&(f->data));
-- 
2.13.6