Update the address of the Free Software Foundation in all copyright headers.

[tinc] / src / linux / device.c

diff --git a/src/linux/device.c b/src/linux/device.c
index 2e44755..6d02b47 100644 (file)
--- a/src/linux/device.c
+++ b/src/linux/device.c
@@ -13,11 +13,9 @@
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-    $Id$
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #include "system.h"
@@ -63,7 +61,8 @@ bool setup_device(void)
 
        if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
 #ifdef HAVE_LINUX_IF_TUN_H
-               iface = xstrdup(netname);
+               if (netname != NULL)
+                       iface = xstrdup(netname);
 #else
                iface = xstrdup(rindex(device, '/') ? rindex(device, '/') + 1 : device);
 #endif