linux-kernel - [PATCH] gpu: drm: Optimize the unused variable ret

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Message-Id: <20230619113154.1980-1-lidong@vivo.com>
Date:   Mon, 19 Jun 2023 19:31:33 +0800
From:   Li Dong <lidong@...o.com>
To:     Artur Weber <aweber.kernel@...il.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org (open list:DRM PANEL DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Cc:     opensource.kernel@...o.com, lidong@...o.com
Subject: [PATCH] gpu: drm: Optimize the unused variable ret

Use zero as the return value instead of the unused variable ret

Signed-off-by: Li Dong <lidong@...o.com>
---
 drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c
index 102e1fc7ee38..fec0d014fd0e 100644
--- a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c
+++ b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c
@@ -66,7 +66,6 @@ static void s6d7aa0_reset(struct s6d7aa0 *ctx)
 static int s6d7aa0_lock(struct s6d7aa0 *ctx, bool lock)
 {
 	struct mipi_dsi_device *dsi = ctx->dsi;
-	int ret = 0;
 
 	if (lock) {
 		mipi_dsi_dcs_write_seq(dsi, MCS_PASSWD1, 0xa5, 0xa5);
@@ -80,7 +79,7 @@ static int s6d7aa0_lock(struct s6d7aa0 *ctx, bool lock)
 			mipi_dsi_dcs_write_seq(dsi, MCS_PASSWD3, 0xa5, 0xa5);
 	}
 
-	return ret;
+	return 0;
 }
 
 static int s6d7aa0_on(struct s6d7aa0 *ctx)
-- 
2.31.1.windows.1