Re: [PATCH] input: joystick: pxrc: use usb_get_intf()

From: Greg KH
Date: Sun Jul 25 2021 - 02:32:13 EST


On Sat, Jul 24, 2021 at 10:36:17PM +0100, Salah Triki wrote:
> Use usb_get_intf() in order to increment reference count of the usb
> interface structure.
>
> Signed-off-by: Salah Triki <salah.triki@xxxxxxxxx>
> ---
> drivers/input/joystick/pxrc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/joystick/pxrc.c b/drivers/input/joystick/pxrc.c
> index ea2bf5951d67..59304352548b 100644
> --- a/drivers/input/joystick/pxrc.c
> +++ b/drivers/input/joystick/pxrc.c
> @@ -143,7 +143,7 @@ static int pxrc_probe(struct usb_interface *intf,
> return -ENOMEM;
>
> mutex_init(&pxrc->pm_mutex);
> - pxrc->intf = intf;
> + pxrc->intf = usb_get_intf(intf);
>
> usb_set_intfdata(pxrc->intf, pxrc);
>
> --

You can not add a reference and never drop it :(