Alexandre Julliard : comctl32/imagelist: Use the correct allocation size for the image mask.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5dd9a1f00e7cbc30b306b8290c18b781f27e6af2
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=5dd9a1f00e7cbc30b306b8290c...

Author: Alexandre Julliard <julliard(a)winehq.org>
Date:   Mon Dec 11 19:55:01 2017 +0100

comctl32/imagelist: Use the correct allocation size for the image mask.

Reported by Petru Florin Mihancea.

Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/comctl32/imagelist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/comctl32/imagelist.c b/dlls/comctl32/imagelist.c
index 70457c7..71145ed 100644
--- a/dlls/comctl32/imagelist.c
+++ b/dlls/comctl32/imagelist.c
@@ -296,7 +296,7 @@ static BOOL add_with_alpha( HIMAGELIST himl, HDC hdc, int pos, int count,
         mask_info->bmiHeader = info->bmiHeader;
         mask_info->bmiHeader.biBitCount = 1;
         mask_info->bmiHeader.biSizeImage = mask_width * height;
-        if (!(mask_bits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, info->bmiHeader.biSizeImage )))
+        if (!(mask_bits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, mask_info->bmiHeader.biSizeImage )))
             goto done;
         if (!GetDIBits( hdc, hbmMask, 0, height, mask_bits, mask_info, DIB_RGB_COLORS )) goto done;
     }