Roderick Colenbrander : wined3d: Fix a null pointer dereference.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3c08b2302470f2cfed82116b6567688729a88b4f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=3c08b2302470f2cfed82116b6567688729a88b4f

Author: Roderick Colenbrander <thunderbird2k at gmx.net>
Date:   Tue Aug 21 16:52:01 2007 +0200

wined3d: Fix a null pointer dereference.

---

 dlls/wined3d/surface.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index 58b4ed6..20ade5c 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -1155,7 +1155,7 @@ static HRESULT WINAPI IWineD3DSurfaceImpl_UnlockRect(IWineD3DSurface *iface) {
     }
 
     IWineD3DSurface_GetContainer(iface, &IID_IWineD3DSwapChain, (void **)&swapchain);
-    if(swapchain || iface == myDevice->render_targets[0]) {
+    if(swapchain || (myDevice->render_targets && iface == myDevice->render_targets[0])) {
         if(wined3d_settings.rendertargetlock_mode == RTL_DISABLE) {
             static BOOL warned = FALSE;
             if(!warned) {