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-rw-r--r--src/glx/x11/glxcmds.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c
index 77471b8599..820d8b9868 100644
--- a/src/glx/x11/glxcmds.c
+++ b/src/glx/x11/glxcmds.c
@@ -164,7 +164,7 @@ GetGLXScreenConfigs(Display *dpy, int scrn)
{
__GLXdisplayPrivate * const priv = __glXInitialize(dpy);
- return (priv->screenConfigs != NULL) ? &priv->screenConfigs[scrn] : NULL;
+ return (priv && priv->screenConfigs != NULL) ? &priv->screenConfigs[scrn] : NULL;
}