Remove redundant header getting.

(closes issue #12597)
Reported by: hooi

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@115507 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 7f95713..fa6938f 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -6171,11 +6171,6 @@ static struct sip_pvt *find_call(struct sip_request *req, struct sockaddr_in *si
        const char *cseq = get_header(req, "Cseq");
        struct sip_pvt *sip_pvt_ptr;
 
-       callid = get_header(req, "Call-ID");
-       from = get_header(req, "From");
-       to = get_header(req, "To");
-       cseq = get_header(req, "Cseq");
-
        /* Call-ID, to, from and Cseq are required by RFC 3261. (Max-forwards and via too - ignored now) */
        /* get_header always returns non-NULL so we must use ast_strlen_zero() */
        if (ast_strlen_zero(callid) || ast_strlen_zero(to) ||