Dmitry Timoshkov : windowscodecs: Fix IWICBitmapEncoder:: SetPalette for a not initialized case in BMP encoder.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 02870de54150ad2e01d938aa495c8631ce0334bd
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=02870de54150ad2e01d938aa495c8631ce0334bd

Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date:   Wed Sep 13 15:12:38 2017 -0500

windowscodecs: Fix IWICBitmapEncoder::SetPalette for a not initialized case in BMP encoder.

Signed-off-by: Vincent Povirk <vincent at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/windowscodecs/bmpencode.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/dlls/windowscodecs/bmpencode.c b/dlls/windowscodecs/bmpencode.c
index 3dce8bb..c09b542 100644
--- a/dlls/windowscodecs/bmpencode.c
+++ b/dlls/windowscodecs/bmpencode.c
@@ -465,10 +465,12 @@ static HRESULT WINAPI BmpEncoder_SetColorContexts(IWICBitmapEncoder *iface,
     return E_NOTIMPL;
 }
 
-static HRESULT WINAPI BmpEncoder_SetPalette(IWICBitmapEncoder *iface, IWICPalette *pIPalette)
+static HRESULT WINAPI BmpEncoder_SetPalette(IWICBitmapEncoder *iface, IWICPalette *palette)
 {
-    TRACE("(%p,%p)\n", iface, pIPalette);
-    return WINCODEC_ERR_UNSUPPORTEDOPERATION;
+    BmpEncoder *This = impl_from_IWICBitmapEncoder(iface);
+
+    TRACE("(%p,%p)\n", iface, palette);
+    return This->stream ? WINCODEC_ERR_UNSUPPORTEDOPERATION : WINCODEC_ERR_NOTINITIALIZED;
 }
 
 static HRESULT WINAPI BmpEncoder_SetThumbnail(IWICBitmapEncoder *iface, IWICBitmapSource *pIThumbnail)