linux-kernel - [PATCH] drm/panel: remove meaningless if(ret) check code.

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Date:   Wed, 22 Jul 2020 09:41:07 +0800
From:   Bernard Zhao <bernard@...o.com>
To:     Icenowy Zheng <icenowy@...c.io>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc:     opensource.kernel@...o.com, Bernard Zhao <bernard@...o.com>
Subject: [PATCH] drm/panel: remove meaningless if(ret) check code.

The function drm_panel_add always returns true.
So if(ret) check code will never run into error branch.
Remove these check make the code a bit readable.

Signed-off-by: Bernard Zhao <bernard@...o.com>
---
 drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c b/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c
index fddbfddf6566..7f2eb54e4254 100644
--- a/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c
+++ b/drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c
@@ -478,9 +478,7 @@ static int k101_im2ba02_dsi_probe(struct mipi_dsi_device *dsi)
 	if (ret)
 		return ret;
 
-	ret = drm_panel_add(&ctx->panel);
-	if (ret < 0)
-		return ret;
+	drm_panel_add(&ctx->panel);
 
 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO;
 	dsi->format = MIPI_DSI_FMT_RGB888;
-- 
2.17.1