Gerald Pfeifer : krnl386.exe16: Avoid shift overflows in DMA_ioport_out.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 99b83bf385cb7ea7ac7ecce756f3c3631e382e8d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=99b83bf385cb7ea7ac7ecce756...

Author: Gerald Pfeifer 
Date:   Sat Nov 28 22:51:18 2015 +0100

krnl386.exe16: Avoid shift overflows in DMA_ioport_out.

Signed-off-by: Gerald Pfeifer 
Signed-off-by: Alexandre Julliard

---

dlls/krnl386.exe16/dma.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/dlls/krnl386.exe16/dma.c b/dlls/krnl386.exe16/dma.c
index 6734a25..9a255ce 100644
--- a/dlls/krnl386.exe16/dma.c
+++ b/dlls/krnl386.exe16/dma.c
@@ -210,13 +210,13 @@ void DMA_ioport_out( WORD port, BYTE val )
     case 0x8A: DMA_BaseAddress[7]=(DMA_BaseAddress[7] & (~0xFF << 16))|((val & 0xFF) << 16); break;

/* Low Page Base Address (only 4 lower bits are significant) */
-    case 0x487: DMA_BaseAddress[0]=(DMA_BaseAddress[0] & (~0xFF << 24))|((val & 0x0F) << 24); break;
-    case 0x483: DMA_BaseAddress[1]=(DMA_BaseAddress[1] & (~0xFF << 24))|((val & 0x0F) << 24); break;
-    case 0x481: DMA_BaseAddress[2]=(DMA_BaseAddress[2] & (~0xFF << 24))|((val & 0x0F) << 24); break;
-    case 0x482: DMA_BaseAddress[3]=(DMA_BaseAddress[3] & (~0xFF << 24))|((val & 0x0F) << 24); break;
-    case 0x48B: DMA_BaseAddress[5]=(DMA_BaseAddress[5] & (~0xFF << 24))|((val & 0x0F) << 24); break;
-    case 0x489: DMA_BaseAddress[6]=(DMA_BaseAddress[6] & (~0xFF << 24))|((val & 0x0F) << 24); break;
-    case 0x48A: DMA_BaseAddress[7]=(DMA_BaseAddress[7] & (~0xFF << 24))|((val & 0x0F) << 24); break;
+    case 0x487: DMA_BaseAddress[0]=(DMA_BaseAddress[0] & (~0xFFu << 24))|((val & 0x0F) << 24); break;
+    case 0x483: DMA_BaseAddress[1]=(DMA_BaseAddress[1] & (~0xFFu << 24))|((val & 0x0F) << 24); break;
+    case 0x481: DMA_BaseAddress[2]=(DMA_BaseAddress[2] & (~0xFFu << 24))|((val & 0x0F) << 24); break;
+    case 0x482: DMA_BaseAddress[3]=(DMA_BaseAddress[3] & (~0xFFu << 24))|((val & 0x0F) << 24); break;
+    case 0x48B: DMA_BaseAddress[5]=(DMA_BaseAddress[5] & (~0xFFu << 24))|((val & 0x0F) << 24); break;
+    case 0x489: DMA_BaseAddress[6]=(DMA_BaseAddress[6] & (~0xFFu << 24))|((val & 0x0F) << 24); break;
+    case 0x48A: DMA_BaseAddress[7]=(DMA_BaseAddress[7] & (~0xFFu << 24))|((val & 0x0F) << 24); break;

case 0x08:
     case 0xD0: