Fixed null-pointer bug when GSM support is disabled

diff --git a/interface.c b/interface.c
index a312e4e..09e0067 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -328,7 +328,7 @@ static int inter_portname(struct interface *interface, char *filename, int line,
        /* check for port already assigned, but not for shared gsm interface */
        searchif = interface_newlist;
 #if defined WITH_GSM_BS || defined WITH_GSM_MS
-       if (!strcmp(value, gsm->conf.interface_lcr))
+       if (options.gsm && !strcmp(value, gsm->conf.interface_lcr))
 #endif
        {
                while(searchif) {