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Diffstat (limited to 'src/gallium/state_trackers/wgl/stw_context.c')
-rw-r--r--src/gallium/state_trackers/wgl/stw_context.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/wgl/stw_context.c b/src/gallium/state_trackers/wgl/stw_context.c
index 0785d2c6b8..c2f9c7550e 100644
--- a/src/gallium/state_trackers/wgl/stw_context.c
+++ b/src/gallium/state_trackers/wgl/stw_context.c
@@ -75,6 +75,9 @@ DrvCopyContext(
struct stw_context *dst;
BOOL ret = FALSE;
+ if (!stw_dev)
+ return FALSE;
+
pipe_mutex_lock( stw_dev->ctx_mutex );
src = stw_lookup_context_locked( dhrcSource );
@@ -102,6 +105,9 @@ DrvShareLists(
struct stw_context *ctx2;
BOOL ret = FALSE;
+ if (!stw_dev)
+ return FALSE;
+
pipe_mutex_lock( stw_dev->ctx_mutex );
ctx1 = stw_lookup_context_locked( dhglrc1 );