linux-kernel - [PATCH -next] scsi: libsas: simplify the return expression of sas_discover

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Message-ID: <20200921134558.3478922-1-liushixin2@huawei.com>
Date:   Mon, 21 Sep 2020 21:45:58 +0800
From:   Liu Shixin <liushixin2@...wei.com>
To:     John Garry <john.garry@...wei.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Liu Shixin <liushixin2@...wei.com>
Subject: [PATCH -next] scsi: libsas: simplify the return expression of sas_discover_* functions

Simplify the return expression.

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 drivers/scsi/libsas/sas_ata.c      | 8 +-------
 drivers/scsi/libsas/sas_discover.c | 8 +-------
 2 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index a4887985aad6..024e5a550759 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -726,19 +726,13 @@ void sas_resume_sata(struct asd_sas_port *port)
  */
 int sas_discover_sata(struct domain_device *dev)
 {
-	int res;
-
 	if (dev->dev_type == SAS_SATA_PM)
 		return -ENODEV;
 
 	dev->sata_dev.class = sas_get_ata_command_set(dev);
 	sas_fill_in_rphy(dev, dev->rphy);
 
-	res = sas_notify_lldd_dev_found(dev);
-	if (res)
-		return res;
-
-	return 0;
+	return sas_notify_lldd_dev_found(dev);
 }
 
 static void async_sas_ata_eh(void *data, async_cookie_t cookie)
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index d0f9e90e3279..161c9b387da7 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -278,13 +278,7 @@ static void sas_resume_devices(struct work_struct *work)
  */
 int sas_discover_end_dev(struct domain_device *dev)
 {
-	int res;
-
-	res = sas_notify_lldd_dev_found(dev);
-	if (res)
-		return res;
-
-	return 0;
+	return sas_notify_lldd_dev_found(dev);
 }
 
 /* ---------- Device registration and unregistration ---------- */
-- 
2.25.1