net: hsr: Convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Qinglang Miao 2020-09-17 20:45:07 +08:00 committed by David S. Miller
parent 72d61d3009
commit 2170ff0819

View File

@ -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);