10a6fde333
Both dri2_create_context_attribs and drisw_create_context_attribs call dri2_convert_glx_attribs, expecting it to fill in *api on success. However, when num_attribs == 0, it was returning true without setting *api, causing the caller to use an uninitialized value. Tested-by: Vadim Girlin <vadimgirlin@gmail.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>