Lei Zhang : sane.ds: Check return value from sane_control_option().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 05907c3e29aed2684bf3879cd28ae2b47e8c29c9
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=05907c3e29aed2684bf3879cd28ae2b47e8c29c9

Author: Lei Zhang <thestig at google.com>
Date:   Fri Nov  9 01:41:18 2007 -0800

sane.ds: Check return value from sane_control_option().

---

 dlls/sane.ds/ui.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/dlls/sane.ds/ui.c b/dlls/sane.ds/ui.c
index 6c877a2..0dff3e0 100644
--- a/dlls/sane.ds/ui.c
+++ b/dlls/sane.ds/ui.c
@@ -739,6 +739,11 @@ static INT_PTR InitializeDialog(HWND hwnd)
 
     rc = psane_control_option(activeDS.deviceHandle, 0, SANE_ACTION_GET_VALUE,
             &optcount, NULL);
+    if (rc != SANE_STATUS_GOOD)
+    {
+        ERR("Unable to read number of options\n");
+        return FALSE;
+    }
 
     for ( i = 1; i < optcount; i++)
     {