diff mbox series

[04/13] USB: sl811: fix memory leak with using debugfs_lookup()

Message ID 20230202153235.2412790-4-gregkh@linuxfoundation.org (mailing list archive)
State Accepted
Commit e1523c4dbc54e164638ff8729d511cf91e27be04
Headers show
Series [01/13] USB: chipidea: fix memory leak with using debugfs_lookup() | expand

Commit Message

Greg KH Feb. 2, 2023, 3:32 p.m. UTC
When calling debugfs_lookup() the result must have dput() called on it,
otherwise the memory will leak over time.  To make things simpler, just
call debugfs_lookup_and_remove() instead which handles all of the logic
at once.

Cc: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/host/sl811-hcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index d206bd95c7bb..b8b90eec9107 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1501,7 +1501,7 @@  static void create_debug_file(struct sl811 *sl811)
 
 static void remove_debug_file(struct sl811 *sl811)
 {
-	debugfs_remove(debugfs_lookup("sl811h", usb_debug_root));
+	debugfs_lookup_and_remove("sl811h", usb_debug_root);
 }
 
 /*-------------------------------------------------------------------------*/