linux-kernel - [PATCH] drm/dp: Remove dead code after return statement

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Message-ID: <20250706162431.15029-1-len.bao@gmx.us>
Date: Sun,  6 Jul 2025 16:24:24 +0000
From: Len Bao <len.bao@....us>
To: 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>
Cc: Len Bao <len.bao@....us>,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] drm/dp: Remove dead code after return statement

Coverity noticed that the code after the return statement in the
"drm_dp_pcon_frl_configure_2" function is never reached. So, it can be
safely removed.

Coverity-id: 1648885
Fixes: af67978ee37e5 ("drm/display: dp: use new DCPD access helpers")
Signed-off-by: Len Bao <len.bao@....us>
---
 drivers/gpu/drm/display/drm_dp_helper.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/display/drm_dp_helper.c
index dc622c78d..de047e30d 100644
--- a/drivers/gpu/drm/display/drm_dp_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_helper.c
@@ -3586,10 +3586,6 @@ int drm_dp_pcon_frl_configure_2(struct drm_dp_aux *aux, int max_frl_mask,
 		buf &= ~DP_PCON_FRL_LINK_TRAIN_EXTENDED;
 
 	return drm_dp_dpcd_write_byte(aux, DP_PCON_HDMI_LINK_CONFIG_2, buf);
-	if (ret < 0)
-		return ret;
-
-	return 0;
 }
 EXPORT_SYMBOL(drm_dp_pcon_frl_configure_2);
 
-- 
2.43.0