Better handle SIP devices that say they have SDP content... but really don't. (issue...

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@67068 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 459d17d30ed2857726320871f3778043e9915be4..66840680e7950fa2cc3ef2c4282efb1c065ae067 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -4703,7 +4703,7 @@ static int find_sdp(struct sip_request *req)
        if (!strcasecmp(content_type, "application/sdp")) {
                req->sdp_start = 0;
                req->sdp_end = req->lines;
-               return 1;
+               return req->lines ? 1 : 0;
        }
 
        /* if it's not multipart/mixed, there cannot be an SDP */