check for null qrealm too.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3405 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index 295beac0273a952f5959c44a434dd291e10cce19..379536febb43ac74bcf1d6990694d60ad9026a9e 100644 (file)
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -4160,7 +4160,7 @@ static void sip_r_register(int status,
        duprealm = strdup(realm);
        qrealm = duprealm;
        
-       while(*qrealm && *qrealm == '"') {
+       while(qrealm && *qrealm && *qrealm == '"') {
                qrealm++;
        }
        if ((p = strchr(qrealm, '"'))) {