]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
USB: uhci: fix memory leak with using debugfs_lookup()
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 2 Feb 2023 15:32:25 +0000 (16:32 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 6 Feb 2023 12:46:42 +0000 (13:46 +0100)
commit0a3f82c79c86278e7f144564b1cb6cc5c3657144
tree6e922cdd2f01f977428b73ddbdf4ab9e702cd032
parent8f4d25eba599c4bd4b5ea8ae8752cda480a9d563
USB: uhci: 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: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20230202153235.2412790-3-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/uhci-hcd.c