Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Qinglang Miao <miaoqingl...@huawei.com>
---
v2: based on linux-next(20200917), and can be applied to
mainline cleanly now.
net/hsr/hsr_debugfs.c | 21 ++-------------------
1 file changed, 2 insertions(+), 19 deletions(-)
diff --git a/net/hsr/hsr_debugfs.c b/net/hsr/hsr_debugfs.c
index 7e11a6c35..4cfd9e829 100644
--- a/net/hsr/hsr_debugfs.c
+++ b/net/hsr/hsr_debugfs.c
@@ -60,17 +60,7 @@ hsr_node_table_show(struct seq_file *sfp, void *data)
return 0;
}
-/* hsr_node_table_open - Open the node_table file
- *
- * Description:
- * This routine opens a debugfs file node_table of specific hsr
- * or prp device
- */
-static int
-hsr_node_table_open(struct inode *inode, struct file *filp)
-{
- return single_open(filp, hsr_node_table_show, inode->i_private);
-}
+DEFINE_SHOW_ATTRIBUTE(hsr_node_table);
void hsr_debugfs_rename(struct net_device *dev)
{
@@ -85,13 +75,6 @@ void hsr_debugfs_rename(struct net_device *dev)
priv->node_tbl_root = d;
}
-static const struct file_operations hsr_fops = {
- .open = hsr_node_table_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
/* hsr_debugfs_init - create hsr node_table file for dumping
* the node table
*
@@ -113,7 +96,7 @@ void hsr_debugfs_init(struct hsr_priv *priv, struct
net_device *hsr_dev)
de = debugfs_create_file("node_table", S_IFREG | 0444,
priv->node_tbl_root, priv,
- &hsr_fops);
+ &hsr_node_table_fops);
if (IS_ERR(de)) {
pr_err("Cannot create hsr node_table file\n");
debugfs_remove(priv->node_tbl_root);
--
2.23.0
