[ Upstream commit 04a189c720aa2b6091442113ce9b9bc93552dff8 ] 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: Jiri Slaby <jirislaby@kernel.org> Link: https://lore.kernel.org/r/20230202141221.2293012-1-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>