Henri Verbeet : wined3d: Properly validate the stage index in wined3d_stateblock_set_texture_stage_state() (Coverity).

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 0813ec9c917fe4f40a1e9c70e9b3e97f161c4d82
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=0813ec9c917fe4f40a1e9c70e...

Author: Henri Verbeet <hverbeet(a)codeweavers.com>
Date:   Fri Feb  7 16:20:03 2020 +0330

wined3d: Properly validate the stage index in wined3d_stateblock_set_texture_stage_state() (Coverity).

Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>
(cherry picked from commit 125ba807e0d56a2da15875cb485067216505271a)
Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org>

---

 dlls/wined3d/stateblock.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/wined3d/stateblock.c b/dlls/wined3d/stateblock.c
index f6d36f8c25..499d23fbbd 100644
--- a/dlls/wined3d/stateblock.c
+++ b/dlls/wined3d/stateblock.c
@@ -1459,10 +1459,10 @@ void CDECL wined3d_stateblock_set_texture_stage_state(struct wined3d_stateblock
         return;
     }
 
-    if (stage > WINED3D_MAX_TEXTURES)
+    if (stage >= WINED3D_MAX_TEXTURES)
     {
         WARN("Attempting to set stage %u which is higher than the max stage %u, ignoring.\n",
-                stage, WINED3D_MAX_TEXTURES);
+                stage, WINED3D_MAX_TEXTURES - 1);
         return;
     }