1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/dri/common/dri_context.c b/src/gallium/state_trackers/dri/common/dri_context.c
index 5cfd1edfc81..988e28ea244 100644
--- a/src/gallium/state_trackers/dri/common/dri_context.c
+++ b/src/gallium/state_trackers/dri/common/dri_context.c
@@ -101,6 +101,11 @@ dri_create_context(gl_api api, const struct gl_config * visual,
       goto fail;
    }
 
+   if (flags & ~(__DRI_CTX_FLAG_DEBUG | __DRI_CTX_FLAG_FORWARD_COMPATIBLE)) {
+      *error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
+      goto fail;
+   }
+
    if (notify_reset) {
       *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
       goto fail;