change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/drivers/infiniband/ulp/ipoib/ipoib_fs.c
..
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@@ -124,35 +124,14 @@
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 	return 0;
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 }
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-static const struct seq_operations ipoib_mcg_seq_ops = {
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+static const struct seq_operations ipoib_mcg_sops = {
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 	.start = ipoib_mcg_seq_start,
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 	.next  = ipoib_mcg_seq_next,
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 	.stop  = ipoib_mcg_seq_stop,
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 	.show  = ipoib_mcg_seq_show,
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 };
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-static int ipoib_mcg_open(struct inode *inode, struct file *file)
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-{
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-	struct seq_file *seq;
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-	int ret;
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-
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-	ret = seq_open(file, &ipoib_mcg_seq_ops);
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-	if (ret)
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-		return ret;
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-
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-	seq = file->private_data;
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-	seq->private = inode->i_private;
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-
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-	return 0;
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-}
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-
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-static const struct file_operations ipoib_mcg_fops = {
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-	.owner   = THIS_MODULE,
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-	.open    = ipoib_mcg_open,
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-	.read    = seq_read,
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-	.llseek  = seq_lseek,
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-	.release = seq_release
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-};
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+DEFINE_SEQ_ATTRIBUTE(ipoib_mcg);
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135
 
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 static void *ipoib_path_seq_start(struct seq_file *file, loff_t *pos)
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 {
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@@ -229,35 +208,14 @@
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 	return 0;
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 }
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-static const struct seq_operations ipoib_path_seq_ops = {
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+static const struct seq_operations ipoib_path_sops = {
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 	.start = ipoib_path_seq_start,
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 	.next  = ipoib_path_seq_next,
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 	.stop  = ipoib_path_seq_stop,
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 	.show  = ipoib_path_seq_show,
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 };
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-static int ipoib_path_open(struct inode *inode, struct file *file)
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-{
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-	struct seq_file *seq;
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-	int ret;
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-
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-	ret = seq_open(file, &ipoib_path_seq_ops);
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-	if (ret)
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-		return ret;
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-
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-	seq = file->private_data;
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-	seq->private = inode->i_private;
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-
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-	return 0;
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-}
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-
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-static const struct file_operations ipoib_path_fops = {
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-	.owner   = THIS_MODULE,
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-	.open    = ipoib_path_open,
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-	.read    = seq_read,
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-	.llseek  = seq_lseek,
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-	.release = seq_release
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-};
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+DEFINE_SEQ_ATTRIBUTE(ipoib_path);
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 void ipoib_create_debug_files(struct net_device *dev)
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 {
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@@ -267,14 +225,10 @@
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 	snprintf(name, sizeof(name), "%s_mcg", dev->name);
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 	priv->mcg_dentry = debugfs_create_file(name, S_IFREG | S_IRUGO,
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 					       ipoib_root, dev, &ipoib_mcg_fops);
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-	if (!priv->mcg_dentry)
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-		ipoib_warn(priv, "failed to create mcg debug file\n");
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 	snprintf(name, sizeof(name), "%s_path", dev->name);
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 	priv->path_dentry = debugfs_create_file(name, S_IFREG | S_IRUGO,
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 						ipoib_root, dev, &ipoib_path_fops);
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-	if (!priv->path_dentry)
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-		ipoib_warn(priv, "failed to create path debug file\n");
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 }
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 void ipoib_delete_debug_files(struct net_device *dev)
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@@ -286,10 +240,9 @@
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 	priv->mcg_dentry = priv->path_dentry = NULL;
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 }
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-int ipoib_register_debugfs(void)
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+void ipoib_register_debugfs(void)
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 {
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 	ipoib_root = debugfs_create_dir("ipoib", NULL);
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-	return ipoib_root ? 0 : -ENOMEM;
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 }
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 void ipoib_unregister_debugfs(void)