diff mbox series

[13/17] mvpp2: no need to check return value of debugfs_create functions

Message ID 20190806161128.31232-14-gregkh@linuxfoundation.org
State Changes Requested
Delegated to: David Miller
Headers show
Series Networking driver debugfs cleanups | expand

Commit Message

Greg Kroah-Hartman Aug. 6, 2019, 4:11 p.m. UTC
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Maxime Chevallier <maxime.chevallier@bootlin.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nathan Huckleberry <nhuck@google.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 .../ethernet/marvell/mvpp2/mvpp2_debugfs.c    | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
index 274fb07362cb..4a3baa7e0142 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
@@ -452,8 +452,6 @@  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);
 
 	port_entry = &port->priv->dbgfs_entries->port_flow_entries[port->id];
 
@@ -480,8 +478,6 @@  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;
 
 	entry = &priv->dbgfs_entries->flow_entries[flow];
 
@@ -514,8 +510,6 @@  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_PRS_FLOWS; i++) {
 		ret = mvpp2_dbgfs_flow_entry_init(flow_dir, priv, i);
@@ -539,8 +533,6 @@  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;
 
 	entry = &priv->dbgfs_entries->prs_entries[tid];
 
@@ -578,8 +570,6 @@  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);
@@ -688,8 +678,6 @@  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);
@@ -716,15 +704,10 @@  void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name)
 	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;
 	priv->dbgfs_entries = kzalloc(sizeof(*priv->dbgfs_entries), GFP_KERNEL);