linux-kernel - [PATCH] phy: fix ptr

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Date:   Tue, 17 Nov 2020 07:00:32 +0800
From:   kernel test robot <lkp@...el.com>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Vinod Koul <vkoul@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Kishon Vijay Abraham I <kishon@...com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-tegra@...r.kernel.org
Subject: [PATCH] phy: fix ptr_ret.cocci warnings

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

drivers/phy/tegra/phy-tegra194-p2u.c:95:1-3: WARNING: PTR_ERR_OR_ZERO can be used


 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 133552bf03ed ("phy: Remove CONFIG_ARCH_* check for related subdir in Makefile")
CC: Tiezhu Yang <yangtiezhu@...ngson.cn>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: kernel test robot <lkp@...el.com>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   09162bc32c880a791c6c0668ce0745cf7958f576
commit: 133552bf03edbe3892767a4b64c56e3bed746374 phy: Remove CONFIG_ARCH_* check for related subdir in Makefile

 phy-tegra194-p2u.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/phy/tegra/phy-tegra194-p2u.c
+++ b/drivers/phy/tegra/phy-tegra194-p2u.c
@@ -92,10 +92,7 @@ static int tegra_p2u_probe(struct platfo
 	phy_set_drvdata(generic_phy, phy);
 
 	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
-	if (IS_ERR(phy_provider))
-		return PTR_ERR(phy_provider);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(phy_provider);
 }
 
 static const struct of_device_id tegra_p2u_id_table[] = {