change do not close if not opened

diff --git a/src/kds_s2000w_net.c b/src/kds_s2000w_net.c
index 647b3bd746338a1d947d106c371c28108ba2e51d..dfdd869bc8b942faf3f538c61841892db3096fb8 100644 (file)
--- a/src/kds_s2000w_net.c
+++ b/src/kds_s2000w_net.c
@@ -76,6 +76,10 @@ void _sane_kds_s2000w_net_close(SANE_Handle handle)
 {
        debug_printf(ALL, "sane_kds_s2000w_net_close");
 
+       handler* h = (handler*) handle;
+       if (h->state != OPENED)
+               return;
+
        kds_s2000w_option_descriptor_free_option_descriptors();
        kds_s2000w_handler_close(handle);
 }