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Subject[PATCH -next] xen/pcpu: Use DEVICE_ATTR_RW macro
Date
Use DEVICE_ATTR_RW helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
drivers/xen/pcpu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/xen/pcpu.c b/drivers/xen/pcpu.c
index 1bcdd5227771..47aa3a1ccaf5 100644
--- a/drivers/xen/pcpu.c
+++ b/drivers/xen/pcpu.c
@@ -92,7 +92,7 @@ static int xen_pcpu_up(uint32_t cpu_id)
return HYPERVISOR_platform_op(&op);
}

-static ssize_t show_online(struct device *dev,
+static ssize_t online_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
@@ -101,7 +101,7 @@ static ssize_t show_online(struct device *dev,
return sprintf(buf, "%u\n", !!(cpu->flags & XEN_PCPU_FLAGS_ONLINE));
}

-static ssize_t __ref store_online(struct device *dev,
+static ssize_t __ref online_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -130,7 +130,7 @@ static ssize_t __ref store_online(struct device *dev,
ret = count;
return ret;
}
-static DEVICE_ATTR(online, S_IRUGO | S_IWUSR, show_online, store_online);
+static DEVICE_ATTR_RW(online);

static struct attribute *pcpu_dev_attrs[] = {
&dev_attr_online.attr,
--
2.17.1
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