linux-kernel - [PATCH] net: phy: mscc: fix excluded

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Message-ID: <alpine.DEB.2.22.394.2011151935230.35728@hadrien>
Date:   Sun, 15 Nov 2020 19:37:59 +0100 (CET)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Jakub Kicinski <kuba@...nel.org>,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        Quentin Schulz <quentin.schulz@...tlin.com>,
        kernel test robot <lkp@...el.com>
cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Denis Efremov <efremov@...ux.com>
Subject: [PATCH] net: phy: mscc: fix excluded_middle.cocci warnings

From: kernel test robot <lkp@...el.com>

Condition !A || A && B is equivalent to !A || B.

Generated by: scripts/coccinelle/misc/excluded_middle.cocci

Fixes: b76f0ea01312 ("coccinelle: misc: add excluded_middle.cocci script")
CC: Denis Efremov <efremov@...ux.com>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: kernel test robot <lkp@...el.com>
Signed-off-by: Julia Lawall <julia.lawall@...ia.fr>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e28c0d7c92c89016c12a677616668957351e7542
commit: b76f0ea013125358d1b4ca147a6f9b6883dd2493 coccinelle: misc: add excluded_middle.cocci script
:::::: branch date: 8 hours ago
:::::: commit date: 8 weeks ago

Please take the patch only if it's a positive warning. Thanks!

 mscc_ptp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/phy/mscc/mscc_ptp.c
+++ b/drivers/net/phy/mscc/mscc_ptp.c
@@ -136,7 +136,7 @@ static void vsc85xx_ts_write_csr(struct

 	phy_ts_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_1588);

-	if (!cond || (cond && upper))
+	if (!cond || upper)
 		phy_ts_base_write(phydev, MSCC_PHY_TS_CSR_DATA_MSB, upper);

 	phy_ts_base_write(phydev, MSCC_PHY_TS_CSR_DATA_LSB, lower);