1 files changed, 9 insertions, 20 deletions

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
index f9744a61e5dd..004e0fac5455 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
@@ -484,8 +484,6 @@ static int mvpp2_dbgfs_flow_port_init(struct dentry *parent,
 	struct dentry *port_dir;
 
 	port_dir = debugfs_create_dir(port->dev->name, parent);
-	if (IS_ERR(port_dir))
-		return PTR_ERR(port_dir);
 
 	/* This will be freed by 'hash_opts' release op */
 	port_entry = kmalloc(sizeof(*port_entry), GFP_KERNEL);
@@ -515,8 +513,6 @@ static int mvpp2_dbgfs_flow_entry_init(struct dentry *parent,
 	sprintf(flow_entry_name, "%02d", flow);
 
 	flow_entry_dir = debugfs_create_dir(flow_entry_name, parent);
-	if (!flow_entry_dir)
-		return -ENOMEM;
 
 	/* This will be freed by 'type' release op */
 	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
@@ -554,8 +550,6 @@ static int mvpp2_dbgfs_flow_init(struct dentry *parent, struct mvpp2 *priv)
 	int i, ret;
 
 	flow_dir = debugfs_create_dir("flows", parent);
-	if (!flow_dir)
-		return -ENOMEM;
 
 	for (i = 0; i < MVPP2_N_FLOWS; i++) {
 		ret = mvpp2_dbgfs_flow_entry_init(flow_dir, priv, i);
@@ -579,8 +573,6 @@ static int mvpp2_dbgfs_prs_entry_init(struct dentry *parent,
 	sprintf(prs_entry_name, "%03d", tid);
 
 	prs_entry_dir = debugfs_create_dir(prs_entry_name, parent);
-	if (!prs_entry_dir)
-		return -ENOMEM;
 
 	/* The 'valid' entry's ops will free that */
 	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
@@ -618,8 +610,6 @@ static int mvpp2_dbgfs_prs_init(struct dentry *parent, struct mvpp2 *priv)
 	int i, ret;
 
 	prs_dir = debugfs_create_dir("parser", parent);
-	if (!prs_dir)
-		return -ENOMEM;
 
 	for (i = 0; i < MVPP2_PRS_TCAM_SRAM_SIZE; i++) {
 		ret = mvpp2_dbgfs_prs_entry_init(prs_dir, priv, i);
@@ -636,8 +626,6 @@ static int mvpp2_dbgfs_port_init(struct dentry *parent,
 	struct dentry *port_dir;
 
 	port_dir = debugfs_create_dir(port->dev->name, parent);
-	if (IS_ERR(port_dir))
-		return PTR_ERR(port_dir);
 
 	debugfs_create_file("parser_entries", 0444, port_dir, port,
 			    &mvpp2_dbgfs_port_parser_fops);
@@ -660,6 +648,13 @@ static int mvpp2_dbgfs_port_init(struct dentry *parent,
 	return 0;
 }
 
+static struct dentry *mvpp2_root;
+
+void mvpp2_dbgfs_exit(void)
+{
+	debugfs_remove(mvpp2_root);
+}
+
 void mvpp2_dbgfs_cleanup(struct mvpp2 *priv)
 {
 	debugfs_remove_recursive(priv->dbgfs_dir);
@@ -667,19 +662,13 @@ void mvpp2_dbgfs_cleanup(struct mvpp2 *priv)
 
 void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name)
 {
-	struct dentry *mvpp2_dir, *mvpp2_root;
+	struct dentry *mvpp2_dir;
 	int ret, i;
 
-	mvpp2_root = debugfs_lookup(MVPP2_DRIVER_NAME, NULL);
-	if (!mvpp2_root) {
+	if (!mvpp2_root)
 		mvpp2_root = debugfs_create_dir(MVPP2_DRIVER_NAME, NULL);
-		if (IS_ERR(mvpp2_root))
-			return;
-	}
 
 	mvpp2_dir = debugfs_create_dir(name, mvpp2_root);
-	if (IS_ERR(mvpp2_dir))
-		return;
 
 	priv->dbgfs_dir = mvpp2_dir;