diff mbox series

[net-next] net/9p: use DEVICE_ATTR_RO macro

Message ID 20210519025639.12108-1-yuehaibing@huawei.com
State New
Headers show
Series [net-next] net/9p: use DEVICE_ATTR_RO macro | expand

Commit Message

Yue Haibing May 19, 2021, 2:56 a.m. UTC 
Use DEVICE_ATTR_RO helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 net/9p/trans_virtio.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 93f2f8654882..43339f314a86 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -528,8 +528,8 @@  p9_virtio_zc_request(struct p9_client *client, struct p9_req_t *req,
 	return err;
 }
 
-static ssize_t p9_mount_tag_show(struct device *dev,
-				struct device_attribute *attr, char *buf)
+static ssize_t mount_tag_show(struct device *dev,
+			      struct device_attribute *attr, char *buf)
 {
 	struct virtio_chan *chan;
 	struct virtio_device *vdev;
@@ -544,7 +544,7 @@  static ssize_t p9_mount_tag_show(struct device *dev,
 	return tag_len + 1;
 }
 
-static DEVICE_ATTR(mount_tag, 0444, p9_mount_tag_show, NULL);
+static DEVICE_ATTR_RO(mount_tag);
 
 /**
  * p9_virtio_probe - probe for existence of 9P virtio channels