Re: drm_dp_mst_topology.c and old compilers

From: Joe Perches
Date: Thu Feb 20 2020 - 07:01:19 EST


On Wed, 2020-02-19 at 16:42 -0800, Paul E. McKenney wrote:
> Hello!
>
> A box with GCC 4.8.3 compiler didn't like drm_dp_mst_topology.c. The
> following (lightly tested) patch makes it happy and seems OK for newer
> compilers as well.
>
> Is this of interest?
[]
> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
[]
> @@ -5396,7 +5396,7 @@ struct drm_dp_aux *drm_dp_mst_dsc_aux_for_port(struct drm_dp_mst_port *port)
> {
> struct drm_dp_mst_port *immediate_upstream_port;
> struct drm_dp_mst_port *fec_port;
> - struct drm_dp_desc desc = { 0 };
> + struct drm_dp_desc desc = {{{ 0 }}};

Perhaps this is simpler as:

struct drm_dp_desc desc = {};