Fix potential bug. THanks luigi!

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@32089 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 5444a08..d4f4653 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -7329,12 +7329,8 @@ static int get_refer_info(struct sip_pvt *transferer, struct sip_request *outgoi
                        ast_uri_decode(referdata->replaces_callid);
                        if ((ptr = strchr(referdata->replaces_callid, ';')))    /* Remove options */ {
                                *ptr = '\0';
+                               ptr++;
                        }
-                       /*
-                        * XXX don't know what was the intention but this code is
-                        * definitely wrong, as ptr can be NULL here.
-                        */
-                       ptr++;
 
                        /* Find the different tags before we destroy the string */
                        to = strcasestr(ptr, "to-tag=");