SL-11445 On exit LLWindGen can be invalid

1 files changed, 5 insertions, 2 deletions

diff --git a/indra/llaudio/llaudioengine_fmodstudio.cpp b/indra/llaudio/llaudioengine_fmodstudio.cpp
index 49ae01b44d..32d2266fdb 100644
--- a/indra/llaudio/llaudioengine_fmodstudio.cpp
+++ b/indra/llaudio/llaudioengine_fmodstudio.cpp
@@ -721,12 +721,15 @@ FMOD_RESULT F_CALLBACK windCallback(FMOD_DSP_STATE *dsp_state, float *inbuffer,
     // outbuffer = the buffer passed from the previous DSP unit.
     // length = length in samples at this mix time.
 
-    LLWindGen<LLAudioEngine_FMODSTUDIO::MIXBUFFERFORMAT> *windgen;
+    LLWindGen<LLAudioEngine_FMODSTUDIO::MIXBUFFERFORMAT> *windgen = NULL;
     FMOD::DSP *thisdsp = (FMOD::DSP *)dsp_state->instance;
 
     thisdsp->getUserData((void **)&windgen);
 
-    windgen->windGenerate((LLAudioEngine_FMODSTUDIO::MIXBUFFERFORMAT *)outbuffer, length);
+    if (windgen)
+    {
+        windgen->windGenerate((LLAudioEngine_FMODSTUDIO::MIXBUFFERFORMAT *)outbuffer, length);
+    }
 
     return FMOD_OK;
 }