[PATCH v2 2/2] dlls/sane.ds: Refuse native transfer mode with depth 16 bit

[Bernd Herd]

From: Bernd Herd

Native transfer mode on windows can only work with 8 bit
per color component as biBitCount values of 48 for
16 bit per color component are no valid values for a DIB
---
 dlls/sane.ds/ds_image.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dlls/sane.ds/ds_image.c b/dlls/sane.ds/ds_image.c
index 37327bc5db6..4b4e77dbcad 100644
--- a/dlls/sane.ds/ds_image.c
+++ b/dlls/sane.ds/ds_image.c
@@ -386,6 +386,14 @@ TW_UINT16 SANE_ImageNativeXferGet (pTW_IDENTITY pOrigin,
             }
             break;
         case FMT_RGB:
+            if (activeDS.frame_params.depth != 8)
+            {
+                FIXME("For NATIVE, we support only 8 bit per color channel, not %d\n", activeDS.frame_params.depth);
+                SANE_Cancel();
+                activeDS.twCC = TWCC_OPERATIONERROR;
+                activeDS.currentState = 6;
+                return TWRC_FAILURE;
+            }
             break;
         case FMT_OTHER:
             FIXME("For NATIVE, we support only GRAY and RGB\n");