linux-kernel - [PATCH 1/1] scsi: qedf: use DEVICE_ATTR

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Message-ID: <20210602030056.10799-1-thunder.leizhen@huawei.com>
Date:   Wed, 2 Jun 2021 11:00:56 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Saurav Kashyap <skashyap@...vell.com>,
        Javed Hasan <jhasan@...vell.com>,
        GR-QLogic-Storage-Upstream <GR-QLogic-Storage-Upstream@...vell.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-scsi <linux-scsi@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/1] scsi: qedf: use DEVICE_ATTR_RO macro

Use DEVICE_ATTR_RO macro helper instead of plain DEVICE_ATTR, which makes
the code a bit shorter and easier to read.

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 drivers/scsi/qedf/qedf_attr.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/scsi/qedf/qedf_attr.c b/drivers/scsi/qedf/qedf_attr.c
index d995f72a67595bd..461c0c9180c444e 100644
--- a/drivers/scsi/qedf/qedf_attr.c
+++ b/drivers/scsi/qedf/qedf_attr.c
@@ -24,9 +24,8 @@ static struct qedf_ctx *qedf_get_base_qedf(struct qedf_ctx *qedf)
 	return lport_priv(base_lport);
 }
 
-static ssize_t
-qedf_fcoe_mac_show(struct device *dev,
-	struct device_attribute *attr, char *buf)
+static ssize_t fcoe_mac_show(struct device *dev,
+			     struct device_attribute *attr, char *buf)
 {
 	struct fc_lport *lport = shost_priv(class_to_shost(dev));
 	u32 port_id;
@@ -42,9 +41,8 @@ qedf_fcoe_mac_show(struct device *dev,
 	return scnprintf(buf, PAGE_SIZE, "%pM\n", fcoe_mac);
 }
 
-static ssize_t
-qedf_fka_period_show(struct device *dev,
-	struct device_attribute *attr, char *buf)
+static ssize_t fka_period_show(struct device *dev,
+			       struct device_attribute *attr, char *buf)
 {
 	struct fc_lport *lport = shost_priv(class_to_shost(dev));
 	struct qedf_ctx *qedf = lport_priv(lport);
@@ -59,8 +57,8 @@ qedf_fka_period_show(struct device *dev,
 	return scnprintf(buf, PAGE_SIZE, "%d\n", fka_period);
 }
 
-static DEVICE_ATTR(fcoe_mac, S_IRUGO, qedf_fcoe_mac_show, NULL);
-static DEVICE_ATTR(fka_period, S_IRUGO, qedf_fka_period_show, NULL);
+static DEVICE_ATTR_RO(fcoe_mac);
+static DEVICE_ATTR_RO(fka_period);
 
 struct device_attribute *qedf_host_attrs[] = {
 	&dev_attr_fcoe_mac,
-- 
2.26.0.106.g9fadedd