Make drm_dp_mst_dsc_aux_for_port() safe for old compilers
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Message ID 20200304183654.GA9011@paulmck-ThinkPad-P72
State New
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Series
  • Make drm_dp_mst_dsc_aux_for_port() safe for old compilers
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Commit Message

Paul E. McKenney March 4, 2020, 6:36 p.m. UTC
Older compilers either want two extra pairs of curly braces around the
initializer for local variable "desc", or they want a single pair of
curly braces with nothing inside.  Current Linux-kernel practice favors
the latter, so this commit makes it so.

This is a fix for a regression introduced into v5.6-rc1.

Fixes: 5b03f9d86880 ("drm/dp_mst: Add new quirk for Synaptics MST hubs")
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Suggested-by: Joe Perches <joe@perches.com>
Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>

Patch
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diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 20cdaf3..b123f60 100644
--- 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 = { };
 	u8 endpoint_fec;
 	u8 endpoint_dsc;