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

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Message-ID: <20210602024940.10746-1-thunder.leizhen@huawei.com>
Date:   Wed, 2 Jun 2021 10:49:40 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Nilesh Javali <njavali@...vell.com>,
        Manish Rangankar <mrangankar@...vell.com>,
        <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: qedi: 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/qedi/qedi_sysfs.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/qedi/qedi_sysfs.c b/drivers/scsi/qedi/qedi_sysfs.c
index 04ee68e6499c912..be174d30eb7c275 100644
--- a/drivers/scsi/qedi/qedi_sysfs.c
+++ b/drivers/scsi/qedi/qedi_sysfs.c
@@ -16,9 +16,9 @@ static inline struct qedi_ctx *qedi_dev_to_hba(struct device *dev)
 	return iscsi_host_priv(shost);
 }
 
-static ssize_t qedi_show_port_state(struct device *dev,
-				    struct device_attribute *attr,
-				    char *buf)
+static ssize_t port_state_show(struct device *dev,
+			       struct device_attribute *attr,
+			       char *buf)
 {
 	struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
 
@@ -28,8 +28,8 @@ static ssize_t qedi_show_port_state(struct device *dev,
 		return sprintf(buf, "Linkdown\n");
 }
 
-static ssize_t qedi_show_speed(struct device *dev,
-			       struct device_attribute *attr, char *buf)
+static ssize_t speed_show(struct device *dev,
+			  struct device_attribute *attr, char *buf)
 {
 	struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
 	struct qed_link_output if_link;
@@ -39,8 +39,8 @@ static ssize_t qedi_show_speed(struct device *dev,
 	return sprintf(buf, "%d Gbit\n", if_link.speed / 1000);
 }
 
-static DEVICE_ATTR(port_state, 0444, qedi_show_port_state, NULL);
-static DEVICE_ATTR(speed, 0444, qedi_show_speed, NULL);
+static DEVICE_ATTR_RO(port_state);
+static DEVICE_ATTR_RO(speed);
 
 struct device_attribute *qedi_shost_attrs[] = {
 	&dev_attr_port_state,
-- 
2.26.0.106.g9fadedd