1 files changed, 5 insertions, 0 deletions
diff --git a/src/glx/dri3_glx.c b/src/glx/dri3_glx.c
index 509160697f..b9076c12e1 100644
--- a/src/glx/dri3_glx.c
+++ b/src/glx/dri3_glx.c
@@ -283,6 +283,11 @@ dri3_create_context_attribs(struct glx_screen *base,
                                  &reset, error))
       goto error_exit;
 
+   if (!dri2_check_no_error(flags, shareList)) {
+      *error = __DRI_CTX_ERROR_BAD_FLAG;
+      goto error_exit;
+   }
+
    /* Check the renderType value */
    if (!validate_renderType_against_config(config_base, render_type))
        goto error_exit;