Re: [PATCH 1/3] USB: serial: metro-usb: stop I/O after failed open

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On Thu, Oct 12, 2017 at 10:54:21AM +0200, Johan Hovold wrote:
> Make sure to kill the interrupt-in URB after a failed open request.
> Apart from saving power (and avoiding stale input after a later
> successful open), this also prevents a NULL-deref in the completion
> handler if the port is manually unbound.
> 
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
> ---
>  drivers/usb/serial/metro-usb.c | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)

Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
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