msc: Name is never NULL use strlen to check if it is empty
Fixes: Coverity CID 1040716
diff --git a/openbsc/src/libmsc/vty_interface_layer3.c b/openbsc/src/libmsc/vty_interface_layer3.c
index 7869d5b..923cba0 100644
--- a/openbsc/src/libmsc/vty_interface_layer3.c
+++ b/openbsc/src/libmsc/vty_interface_layer3.c
@@ -60,7 +60,7 @@
vty_out(vty, " ID: %llu, Authorized: %d%s", subscr->id,
subscr->authorized, VTY_NEWLINE);
- if (subscr->name)
+ if (strlen(subscr->name))
vty_out(vty, " Name: '%s'%s", subscr->name, VTY_NEWLINE);
if (subscr->extension)
vty_out(vty, " Extension: %s%s", subscr->extension,