linux-kernel - [PATCH] drm/bridge: ti-sn65dsi86: remove redundant null check

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200930081859.52431-1-vulab@iscas.ac.cn>
Date:   Wed, 30 Sep 2020 08:18:59 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     a.hajda@...sung.com, narmstrong@...libre.com,
        Laurent.pinchart@...asonboard.com, jonas@...boo.se,
        jernej.skrabec@...l.net, daniel@...ll.ch, airlied@...ux.ie
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH] drm/bridge: ti-sn65dsi86: remove redundant null check

Because clk_disable_unprepare already checked NULL clock parameter,
so the additional checks are unnecessary, just remove it

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 5b6e19ecbc84..1b01836f1eb1 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -819,8 +819,7 @@ static void ti_sn_bridge_post_disable(struct drm_bridge *bridge)
 {
 	struct ti_sn_bridge *pdata = bridge_to_ti_sn_bridge(bridge);
 
-	if (pdata->refclk)
-		clk_disable_unprepare(pdata->refclk);
+	clk_disable_unprepare(pdata->refclk);
 
 	pm_runtime_put_sync(pdata->dev);
 }
-- 
2.17.1