Henri Verbeet : wined3d: Handle shader_arb_free_context_data() during context creation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a05dcd911ebaf64138d330ecf5db3e3ce8700bda
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a05dcd911ebaf64138d330ecf5db3e3ce8700bda

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Tue Mar 11 18:41:47 2014 +0100

wined3d: Handle shader_arb_free_context_data() during context creation.

---

 dlls/wined3d/arb_program_shader.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index d7e9ef7..1eab0eb 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -5052,8 +5052,12 @@ static BOOL shader_arb_allocate_context_data(struct wined3d_context *context)
 
 static void shader_arb_free_context_data(struct wined3d_context *context)
 {
-    struct shader_arb_priv *priv = context->swapchain->device->shader_priv;
+    struct shader_arb_priv *priv;
+
+    if (!context->swapchain)
+        return;
 
+    priv = context->swapchain->device->shader_priv;
     if (priv->last_context == context)
         priv->last_context = NULL;
 }