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

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 84e8ea2fdcba6ea76f023e8bd584a78896066e83
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=84e8ea2fdcba6ea76f023e8bd584a78896066e83

Author: Lei Zhang <thestig at google.com>
Date:   Fri Nov  9 01:53:07 2007 -0800

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

---

 dlls/sane.ds/ui.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/dlls/sane.ds/ui.c b/dlls/sane.ds/ui.c
index 0dff3e0..517f1fb 100644
--- a/dlls/sane.ds/ui.c
+++ b/dlls/sane.ds/ui.c
@@ -394,6 +394,8 @@ static LPDLGTEMPLATEW create_options_page(HDC hdc, int *from_index,
         int hold_for_group = 0;
 
         opt = psane_get_option_descriptor(activeDS.deviceHandle, i);
+        if (!opt)
+            continue;
         if (opt->type == SANE_TYPE_GROUP && split_tabs)
         {
             if (control_len > 0)
@@ -407,6 +409,8 @@ static LPDLGTEMPLATEW create_options_page(HDC hdc, int *from_index,
                 return NULL;
             }
         }
+        if (!SANE_OPTION_IS_ACTIVE (opt->cap))
+            continue;
 
         len = create_item(hdc, opt, ID_BASE + i, &item_tpl, y, &x, &count);