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Subject[PATCH 1/1] device-dax: use DEVICE_ATTR_ADMIN_RO() helper macro
Date
Use DEVICE_ATTR_ADMIN_RO() helper macro instead of plain DEVICE_ATTR(),
which makes the code a bit shorter and easier to read.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
drivers/dax/bus.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 5aee26e1bbd6dba..a8a26398a313cd9 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -655,7 +655,7 @@ static ssize_t start_show(struct device *dev,

return rc;
}
-static DEVICE_ATTR(start, 0400, start_show, NULL);
+static DEVICE_ATTR_ADMIN_RO(start);

static ssize_t end_show(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -671,9 +671,9 @@ static ssize_t end_show(struct device *dev,

return rc;
}
-static DEVICE_ATTR(end, 0400, end_show, NULL);
+static DEVICE_ATTR_ADMIN_RO(end);

-static ssize_t pgoff_show(struct device *dev,
+static ssize_t page_offset_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct dev_dax_range *dax_range;
@@ -687,7 +687,7 @@ static ssize_t pgoff_show(struct device *dev,

return rc;
}
-static DEVICE_ATTR(page_offset, 0400, pgoff_show, NULL);
+static DEVICE_ATTR_ADMIN_RO(page_offset);

static struct attribute *dax_mapping_attributes[] = {
&dev_attr_start.attr,
@@ -1191,7 +1191,7 @@ static ssize_t resource_show(struct device *dev,

return sprintf(buf, "%#llx\n", start);
}
-static DEVICE_ATTR(resource, 0400, resource_show, NULL);
+static DEVICE_ATTR_ADMIN_RO(resource);

static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
char *buf)
--
2.26.0.106.g9fadedd

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