diff mbox series

net: marvell: fix error checking for debugfs

Message ID 20230513014628.39727-1-mushi.shar@gmail.com
State New
Headers
Series net: marvell: fix error checking for debugfs |

Commit Message

SikkiLadho May 13, 2023, 1:46 a.m. UTC 
  This commit fixes error checking in by using IS_ERR inline function to
check for errors.

Suggested-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Signed-off-by: SikkiLadho <mushi.shar@gmail.com>
---
 drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

Comments

Russell King (Oracle) May 13, 2023, 9:59 a.m. UTC | #1 
On Sat, May 13, 2023 at 06:46:28AM +0500, SikkiLadho wrote:
> This commit fixes error checking in by using IS_ERR inline function to
> check for errors.
> 
> Suggested-by: Ivan Orlov <ivan.orlov0322@gmail.com>
> Signed-off-by: SikkiLadho <mushi.shar@gmail.com>

The modern wisdom for debugfs is not to check for any errors, so if
we're going to touch this, that's the route that any patch should be
taking.

Thanks.
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 75e83ea2a..9c53f378e 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c
@@ -593,7 +593,7 @@  static int mvpp2_dbgfs_c2_entry_init(struct dentry *parent,
 	sprintf(c2_entry_name, "%03d", id);
 
 	c2_entry_dir = debugfs_create_dir(c2_entry_name, parent);
-	if (!c2_entry_dir)
+	if (IS_ERR(c2_entry_dir))
 		return -ENOMEM;
 
 	entry = &priv->dbgfs_entries->c2_entries[id];
@@ -626,7 +626,7 @@  static int mvpp2_dbgfs_flow_tbl_entry_init(struct dentry *parent,
 	sprintf(flow_tbl_entry_name, "%03d", id);
 
 	flow_tbl_entry_dir = debugfs_create_dir(flow_tbl_entry_name, parent);
-	if (!flow_tbl_entry_dir)
+	if (IS_ERR(flow_tbl_entry_dir))
 		return -ENOMEM;
 
 	entry = &priv->dbgfs_entries->flt_entries[id];
@@ -646,11 +646,11 @@  static int mvpp2_dbgfs_cls_init(struct dentry *parent, struct mvpp2 *priv)
 	int i, ret;
 
 	cls_dir = debugfs_create_dir("classifier", parent);
-	if (!cls_dir)
+	if (IS_ERR(cls_dir))
 		return -ENOMEM;
 
 	c2_dir = debugfs_create_dir("c2", cls_dir);
-	if (!c2_dir)
+	if (IS_ERR(c2_dir))
 		return -ENOMEM;
 
 	for (i = 0; i < MVPP22_CLS_C2_N_ENTRIES; i++) {
@@ -660,7 +660,7 @@  static int mvpp2_dbgfs_cls_init(struct dentry *parent, struct mvpp2 *priv)
 	}
 
 	flow_tbl_dir = debugfs_create_dir("flow_table", cls_dir);
-	if (!flow_tbl_dir)
+	if (IS_ERR(flow_tbl_dir))
 		return -ENOMEM;
 
 	for (i = 0; i < MVPP2_CLS_FLOWS_TBL_SIZE; i++) {