Commit ff35f3ea authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

USB: chipidea: fix memory leak with using debugfs_lookup() 

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: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20230202153235.2412790-1-gregkh@linuxfoundation.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 93fd5659

drivers/usb/chipidea/debug.c

+1 −1
Original line number Diff line number Diff line
@@ -364,5 +364,5 @@ void dbg_create_files(struct ci_hdrc *ci) 
 */

void dbg_remove_files(struct ci_hdrc *ci)

{

	debugfs_remove(debugfs_lookup(dev_name(ci->dev), usb_debug_root));

	debugfs_lookup_and_remove(dev_name(ci->dev), usb_debug_root);

}