save contition for start

diff --git a/src/kds_s2000w_net.c b/src/kds_s2000w_net.c
index 3ad9f9b05d08332ce89e9dea79ab3d05b6101bdf..753a2624268d8ccfad4aeea40247fea2ce569c82 100644 (file)
--- a/src/kds_s2000w_net.c
+++ b/src/kds_s2000w_net.c
@@ -198,6 +198,9 @@ SANE_Status _sane_kds_s2000w_net_get_parameters(SANE_Handle handle,
 
 SANE_Status _sane_kds_s2000w_net_start(SANE_Handle handle)
 {
+       if (scan_started)
+               return SANE_STATUS_GOOD;
+
        cancel = 0;
        scan_started = 1;
        kds_s2000w_handler_start_scan();