Sebastian Lackner : wined3d: Avoid NULL pointer dereference when using GDI renderer.
Alexandre Julliard
julliard at winehq.org
Mon Jun 19 14:49:29 CDT 2017
Module: wine
Branch: master
Commit: a2c0d2bb37244d1bece3ddd411981aaf06f3c842
URL: http://source.winehq.org/git/wine.git/?a=commit;h=a2c0d2bb37244d1bece3ddd411981aaf06f3c842
Author: Sebastian Lackner <sebastian at fds-team.de>
Date: Fri Jun 16 16:01:04 2017 +0200
wined3d: Avoid NULL pointer dereference when using GDI renderer.
Fixes a regression introduced in 62ca4f38269139ef2a8b9842ec538d9e7f7a0e76.
Signed-off-by: Sebastian Lackner <sebastian at fds-team.de>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/wined3d/context.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/dlls/wined3d/context.c b/dlls/wined3d/context.c
index 0f60542..fbc73ca 100644
--- a/dlls/wined3d/context.c
+++ b/dlls/wined3d/context.c
@@ -2703,12 +2703,13 @@ void context_bind_texture(struct wined3d_context *context, GLenum target, GLuint
void *context_map_bo_address(struct wined3d_context *context,
const struct wined3d_bo_address *data, size_t size, GLenum binding, DWORD flags)
{
- const struct wined3d_gl_info *gl_info = context->gl_info;
+ const struct wined3d_gl_info *gl_info;
BYTE *memory;
if (!data->buffer_object)
return data->addr;
+ gl_info = context->gl_info;
context_bind_bo(context, binding, data->buffer_object);
if (gl_info->supported[ARB_MAP_BUFFER_RANGE])
@@ -2731,11 +2732,12 @@ void *context_map_bo_address(struct wined3d_context *context,
void context_unmap_bo_address(struct wined3d_context *context,
const struct wined3d_bo_address *data, GLenum binding)
{
- const struct wined3d_gl_info *gl_info = context->gl_info;
+ const struct wined3d_gl_info *gl_info;
if (!data->buffer_object)
return;
+ gl_info = context->gl_info;
context_bind_bo(context, binding, data->buffer_object);
GL_EXTCALL(glUnmapBuffer(binding));
context_bind_bo(context, binding, 0);
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