Alexander Dorofeyev : ddraw: Fix executebuffer branching with non-zero offset.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4981eda8951a5bbe0d4b6aea7777078903c05f06
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4981eda8951a5bbe0d4b6aea7777078903c05f06

Author: Alexander Dorofeyev <alexd4 at inbox.lv>
Date:   Sun Feb 17 17:36:35 2008 -0800

ddraw: Fix executebuffer branching with non-zero offset.

Fixes a crash in Moto Racer 2.

---

 dlls/ddraw/executebuffer.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/dlls/ddraw/executebuffer.c b/dlls/ddraw/executebuffer.c
index 49b6d6c..fce3c4f 100644
--- a/dlls/ddraw/executebuffer.c
+++ b/dlls/ddraw/executebuffer.c
@@ -524,12 +524,18 @@ IDirect3DExecuteBufferImpl_Execute(IDirect3DExecuteBufferImpl *This,
 		    if ((This->data.dsStatus.dwStatus & ci->dwMask) == ci->dwValue) {
 		        if (!ci->bNegate) {
                             TRACE(" Branch to %d\n", ci->dwOffset);
-			    instr = (char*)current + ci->dwOffset;
+                            if (ci->dwOffset) {
+                                instr = (char*)current + ci->dwOffset;
+                                break;
+                            }
 			}
 		    } else {
 		        if (ci->bNegate) {
                             TRACE(" Branch to %d\n", ci->dwOffset);
-			    instr = (char*)current + ci->dwOffset;
+                            if (ci->dwOffset) {
+                                instr = (char*)current + ci->dwOffset;
+                                break;
+                            }
 			}
 		    }