From d389f471b6c249b64c5f580273ce9843d70ecfd1 Mon Sep 17 00:00:00 2001
From: Dmitry Timoshkov <dmitry@codeweavers.com>
Date: Fri, 18 Nov 2005 12:05:05 +0000
Subject: [PATCH] If SANE returns empty device list treat it as an error.

---
 dlls/twain/dsm_ctrl.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/dlls/twain/dsm_ctrl.c b/dlls/twain/dsm_ctrl.c
index d4204b52c6..f744939d26 100644
--- a/dlls/twain/dsm_ctrl.c
+++ b/dlls/twain/dsm_ctrl.c
@@ -146,16 +146,24 @@ TW_UINT16 TWAIN_IdentityGetFirst (pTW_IDENTITY pOrigin, TW_MEMREF pData)
     {
         if (device_list[0])
         {
+            TRACE("got: %s, %s, %s\n", device_list[0]->name, device_list[0]->vendor, device_list[0]->model);
             pSourceIdentity->Id = DSM_sourceId ++;
             strcpy (pSourceIdentity->ProductName, device_list[0]->name);
             strcpy (pSourceIdentity->Manufacturer, device_list[0]->vendor);
             strcpy (pSourceIdentity->ProductFamily, device_list[0]->model);
             pSourceIdentity->ProtocolMajor = TWON_PROTOCOLMAJOR;
             pSourceIdentity->ProtocolMinor = TWON_PROTOCOLMINOR;
+
+            DSM_currentDevice = 1;
+            twRC = TWRC_SUCCESS;
+            DSM_twCC = TWCC_SUCCESS;
+        }
+        else
+        {
+            TRACE("got empty device list\n");
+            twRC = TWRC_FAILURE;
+            DSM_twCC = TWCC_NODS;
         }
-        DSM_currentDevice = 1;
-        twRC = TWRC_SUCCESS;
-        DSM_twCC = TWCC_SUCCESS;
     }
     else if (status == SANE_STATUS_NO_MEM)
     {