=?UTF-8?Q?J=C3=B3zef=20Kucia=20?=: d3d11: Fix race condition in d3d_rasterizer_state_create().
Alexandre Julliard
julliard at winehq.org
Fri Jul 21 14:09:20 CDT 2017
Module: wine
Branch: master
Commit: 7c020facc3813381a59568d29f60f930366a4436
URL: http://source.winehq.org/git/wine.git/?a=commit;h=7c020facc3813381a59568d29f60f930366a4436
Author: Józef Kucia <jkucia at codeweavers.com>
Date: Thu Jul 20 14:11:02 2017 +0200
d3d11: Fix race condition in d3d_rasterizer_state_create().
Spotted by Kimmo Myllyvirta.
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/d3d11/state.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/dlls/d3d11/state.c b/dlls/d3d11/state.c
index 110d04e..87fed6f 100644
--- a/dlls/d3d11/state.c
+++ b/dlls/d3d11/state.c
@@ -1042,7 +1042,6 @@ static HRESULT d3d_rasterizer_state_init(struct d3d_rasterizer_state *state, str
state->ID3D11RasterizerState_iface.lpVtbl = &d3d11_rasterizer_state_vtbl;
state->ID3D10RasterizerState_iface.lpVtbl = &d3d10_rasterizer_state_vtbl;
state->refcount = 1;
- wined3d_mutex_lock();
wined3d_private_store_init(&state->private_store);
state->desc = *desc;
@@ -1050,7 +1049,6 @@ static HRESULT d3d_rasterizer_state_init(struct d3d_rasterizer_state *state, str
{
ERR("Failed to insert rasterizer state entry.\n");
wined3d_private_store_cleanup(&state->private_store);
- wined3d_mutex_unlock();
return E_FAIL;
}
@@ -1064,10 +1062,8 @@ static HRESULT d3d_rasterizer_state_init(struct d3d_rasterizer_state *state, str
WARN("Failed to create wined3d rasterizer state, hr %#x.\n", hr);
wined3d_private_store_cleanup(&state->private_store);
wine_rb_remove(&device->rasterizer_states, &state->entry);
- wined3d_mutex_unlock();
return hr;
}
- wined3d_mutex_unlock();
ID3D11Device_AddRef(state->device = &device->ID3D11Device_iface);
@@ -1096,12 +1092,16 @@ HRESULT d3d_rasterizer_state_create(struct d3d_device *device, const D3D11_RASTE
return S_OK;
}
- wined3d_mutex_unlock();
if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
+ {
+ wined3d_mutex_unlock();
return E_OUTOFMEMORY;
+ }
- if (FAILED(hr = d3d_rasterizer_state_init(object, device, desc)))
+ hr = d3d_rasterizer_state_init(object, device, desc);
+ wined3d_mutex_unlock();
+ if (FAILED(hr))
{
WARN("Failed to initialize rasterizer state, hr %#x.\n", hr);
HeapFree(GetProcessHeap(), 0, object);
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