[PATCH 1/1] scsi: qedf: use DEVICE_ATTR_RO macro

From: Zhen Lei
Date: Tue Jun 01 2021 - 23:01:12 EST


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@xxxxxxxxxx>
---
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