Re: drm_dp_mst_topology.c and old compilers

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?

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diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c

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@@ -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 = {};