[PATCH 1/1] scsi: megaraid_mbox: use DEVICE_ATTR_ADMIN_RO macro

From: Zhen Lei
Date: Tue Jun 01 2021 - 23:26:55 EST


Use DEVICE_ATTR_ADMIN_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/megaraid/megaraid_mbox.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index d3fac99db786256..d20c2e4ee7934c9 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -121,8 +121,8 @@ static irqreturn_t megaraid_isr(int, void *);

static void megaraid_mbox_dpc(unsigned long);

-static ssize_t megaraid_sysfs_show_app_hndl(struct device *, struct device_attribute *attr, char *);
-static ssize_t megaraid_sysfs_show_ldnum(struct device *, struct device_attribute *attr, char *);
+static ssize_t megaraid_mbox_app_hndl_show(struct device *, struct device_attribute *attr, char *);
+static ssize_t megaraid_mbox_ld_show(struct device *, struct device_attribute *attr, char *);

static int megaraid_cmm_register(adapter_t *);
static int megaraid_cmm_unregister(adapter_t *);
@@ -302,8 +302,7 @@ static struct pci_driver megaraid_pci_driver = {
// definitions for the device attributes for exporting logical drive number
// for a scsi address (Host, Channel, Id, Lun)

-static DEVICE_ATTR(megaraid_mbox_app_hndl, S_IRUSR, megaraid_sysfs_show_app_hndl,
- NULL);
+static DEVICE_ATTR_ADMIN_RO(megaraid_mbox_app_hndl);

// Host template initializer for megaraid mbox sysfs device attributes
static struct device_attribute *megaraid_shost_attrs[] = {
@@ -312,7 +311,7 @@ static struct device_attribute *megaraid_shost_attrs[] = {
};


-static DEVICE_ATTR(megaraid_mbox_ld, S_IRUSR, megaraid_sysfs_show_ldnum, NULL);
+static DEVICE_ATTR_ADMIN_RO(megaraid_mbox_ld);

// Host template initializer for megaraid mbox sysfs device attributes
static struct device_attribute *megaraid_sdev_attrs[] = {
@@ -3961,7 +3960,7 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter)


/**
- * megaraid_sysfs_show_app_hndl - display application handle for this adapter
+ * megaraid_mbox_app_hndl_show - display application handle for this adapter
* @dev : class device object representation for the host
* @attr : device attribute (unused)
* @buf : buffer to send data to
@@ -3971,8 +3970,7 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter)
* handle, since we do not interface with applications directly.
*/
static ssize_t
-megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr,
- char *buf)
+megaraid_mbox_app_hndl_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
adapter_t *adapter = (adapter_t *)SCSIHOST2ADAP(shost);
@@ -3985,7 +3983,7 @@ megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr,


/**
- * megaraid_sysfs_show_ldnum - display the logical drive number for this device
+ * megaraid_mbox_ld_show - display the logical drive number for this device
* @dev : device object representation for the scsi device
* @attr : device attribute to show
* @buf : buffer to send data to
@@ -4000,7 +3998,7 @@ megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr,
* <int> <int> <int> <int>
*/
static ssize_t
-megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, char *buf)
+megaraid_mbox_ld_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device *sdev = to_scsi_device(dev);
adapter_t *adapter = (adapter_t *)SCSIHOST2ADAP(sdev->host);
--
2.26.0.106.g9fadedd