[WIN32SS][NTGDI] Alignment probe change in NtGdiSetBitmapBits (#1309)

[reactos.git] / win32ss / gdi / ntgdi / bitmaps.c

diff --git a/win32ss/gdi/ntgdi/bitmaps.c b/win32ss/gdi/ntgdi/bitmaps.c
index e003640..c982599 100644 (file)
--- a/win32ss/gdi/ntgdi/bitmaps.c
+++ b/win32ss/gdi/ntgdi/bitmaps.c
@@ -642,7 +642,8 @@ NtGdiSetBitmapBits(
 
     _SEH2_TRY
     {
-        ProbeForRead(pUnsafeBits, Bytes, sizeof(WORD));
+        /* NOTE: Win2k3 doesn't check WORD alignment here. */
+        ProbeForRead(pUnsafeBits, Bytes, 1);
         ret = UnsafeSetBitmapBits(psurf, Bytes, pUnsafeBits);
     }
     _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)