linux-kernel - [PATCH] scsi: ufs-hisi: Use PTR_ERR_OR_ZERO() in ufs_hisi_get

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Message-ID: <9e667f19-434e-ed30-78cb-9ddc6323c51e@web.de>
Date:   Sat, 7 Sep 2019 14:36:28 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     linux-scsi@...r.kernel.org, Alim Akhtar <alim.akhtar@...sung.com>,
        Allison Randal <allison@...utok.net>,
        Arnd Bergmann <arnd@...db.de>,
        Avri Altman <avri.altman@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "James E. J. Bottomley" <jejb@...ux.ibm.com>,
        Kangjie Lu <kjlu@....edu>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Pedro Sousa <pedrom.sousa@...opsys.com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Wei Li <liwei213@...wei.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] scsi: ufs-hisi: Use PTR_ERR_OR_ZERO() in
 ufs_hisi_get_resource()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 7 Sep 2019 14:25:31 +0200

Simplify this function implementation by using a known function.

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

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/scsi/ufs/ufs-hisi.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c
index f4d1dca962c4..a0ea57c19dbc 100644
--- a/drivers/scsi/ufs/ufs-hisi.c
+++ b/drivers/scsi/ufs/ufs-hisi.c
@@ -454,10 +454,7 @@ static int ufs_hisi_get_resource(struct ufs_hisi_host *host)
 	/* get resource of ufs sys ctrl */
 	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 	host->ufs_sys_ctrl = devm_ioremap_resource(dev, mem_res);
-	if (IS_ERR(host->ufs_sys_ctrl))
-		return PTR_ERR(host->ufs_sys_ctrl);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(host->ufs_sys_ctrl);
 }

 static void ufs_hisi_set_pm_lvl(struct ufs_hba *hba)
--
2.23.0