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Diffstat (limited to 'net/hsr/hsr_debugfs.c')
-rw-r--r--net/hsr/hsr_debugfs.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/net/hsr/hsr_debugfs.c b/net/hsr/hsr_debugfs.c
index 6618a9d8e58e..a7462a718e7b 100644
--- a/net/hsr/hsr_debugfs.c
+++ b/net/hsr/hsr_debugfs.c
@@ -20,6 +20,8 @@
#include "hsr_main.h"
#include "hsr_framereg.h"
+static struct dentry *hsr_debugfs_root_dir;
+
static void print_mac_address(struct seq_file *sfp, unsigned char *mac)
{
seq_printf(sfp, "%02x:%02x:%02x:%02x:%02x:%02x:",
@@ -81,9 +83,9 @@ void hsr_debugfs_init(struct hsr_priv *priv, struct net_device *hsr_dev)
{
struct dentry *de = NULL;
- de = debugfs_create_dir(hsr_dev->name, NULL);
+ de = debugfs_create_dir(hsr_dev->name, hsr_debugfs_root_dir);
if (IS_ERR(de)) {
- pr_err("Cannot create hsr debugfs root\n");
+ pr_err("Cannot create hsr debugfs directory\n");
return;
}
@@ -93,7 +95,7 @@ void hsr_debugfs_init(struct hsr_priv *priv, struct net_device *hsr_dev)
priv->node_tbl_root, priv,
&hsr_fops);
if (IS_ERR(de)) {
- pr_err("Cannot create hsr node_table directory\n");
+ pr_err("Cannot create hsr node_table file\n");
debugfs_remove(priv->node_tbl_root);
priv->node_tbl_root = NULL;
return;
@@ -115,3 +117,18 @@ hsr_debugfs_term(struct hsr_priv *priv)
debugfs_remove(priv->node_tbl_root);
priv->node_tbl_root = NULL;
}
+
+void hsr_debugfs_create_root(void)
+{
+ hsr_debugfs_root_dir = debugfs_create_dir("hsr", NULL);
+ if (IS_ERR(hsr_debugfs_root_dir)) {
+ pr_err("Cannot create hsr debugfs root directory\n");
+ hsr_debugfs_root_dir = NULL;
+ }
+}
+
+void hsr_debugfs_remove_root(void)
+{
+ /* debugfs_remove() internally checks NULL and ERROR */
+ debugfs_remove(hsr_debugfs_root_dir);
+}