linux-kernel - [PATCH] drm/bridge: Remove unnecessary memset

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Message-Id: <20250807123836.494696-1-liaoyuanhong@vivo.com>
Date: Thu,  7 Aug 2025 20:38:33 +0800
From: Liao Yuanhong <liaoyuanhong@...o.com>
To: Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Aradhya Bhatia <a-bhatia1@...com>,
	Dmitry Baryshkov <lumag@...nel.org>,
	Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	dri-devel@...ts.freedesktop.org (open list:DRM DRIVERS),
	linux-kernel@...r.kernel.org (open list)
Cc: Liao Yuanhong <liaoyuanhong@...o.com>
Subject: [PATCH] drm/bridge: Remove unnecessary memset

kzalloc() has already been initialized to full 0 space, there is no need to
use memset() to initialize again.

Signed-off-by: Liao Yuanhong <liaoyuanhong@...o.com>
---
 drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
index a57ca8c3bdae..590f7c75744e 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
@@ -1047,7 +1047,6 @@ cdns_dsi_bridge_atomic_reset(struct drm_bridge *bridge)
 	if (!dsi_state)
 		return NULL;
 
-	memset(dsi_state, 0, sizeof(*dsi_state));
 	dsi_state->base.bridge = bridge;
 
 	return &dsi_state->base;
-- 
2.34.1