dinput: Handle NULL effect envelope before testing its parameters.

Signed-off-by: Bruno Jesus <00cpxxx@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dinput: Handle NULL effect envelope before testing its parameters.
0d17228f · Bruno Jesus · Alexandre Julliard · c1bc25dd · 0d17228f
Commit 0d17228f authored Sep 12, 2016 by Bruno Jesus Committed by Alexandre Julliard Sep 13, 2016
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effect_linuxinput.c dlls/dinput/effect_linuxinput.c +4 -1

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--- a/dlls/dinput/effect_linuxinput.c
+++ b/dlls/dinput/effect_linuxinput.c
@@ -585,10 +585,13 @@ static HRESULT WINAPI LinuxInputEffectImpl_SetParameters(
            env->fade_length = 0;
            env->fade_level = 0;
        }
-        else if(peff->lpEnvelope->dwAttackTime || peff->lpEnvelope->dwAttackLevel ||
+        else if(peff->lpEnvelope)
+        {
+            if(peff->lpEnvelope->dwAttackTime || peff->lpEnvelope->dwAttackLevel ||
               peff->lpEnvelope->dwFadeTime || peff->lpEnvelope->dwFadeLevel)
                WARN("Ignoring dinput envelope not supported in the linux effect\n");
        }
+    }

    /* Gain and Sample Period settings are not supported by the linux
     * event system */