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wgl: Prevent null pointer reference.

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This commit is contained in:
José Fonseca 2009-02-20 11:35:46 +00:00
parent ee4e4a6b96
commit a5c2570dc5
1 changed files with 3 additions and 0 deletions
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3
src/gallium/state_trackers/wgl/shared/stw_context.c
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@ -178,6 +178,9 @@ stw_delete_context(
struct stw_context *ctx ;
BOOL ret = FALSE;
if (!stw_dev)
return FALSE;
pipe_mutex_lock( stw_dev->mutex );
ctx = stw_lookup_context(hglrc);