[Mesa-dev] [PATCH] st/dri: check pscreen is valid before querying param

[Dave Airlie]

we don't check the validity of pscreen until dri_init_screen_helper

hit this trying to init glamor on a device with no driver (udl).

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 src/gallium/state_trackers/dri/dri2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c
index 792d565..8d93f78 100644
--- a/src/gallium/state_trackers/dri/dri2.c
+++ b/src/gallium/state_trackers/dri/dri2.c
@@ -1483,7 +1483,7 @@ dri2_init_screen(__DRIscreen * sPriv)
       }
    }
 
-   if (pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) {
+   if (pscreen && pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) {
       sPriv->extensions = dri_robust_screen_extensions;
       screen->has_reset_status_query = true;
    }
-- 
2.4.2