linux-kernel - Re: [PATCH] tty: Fix low

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Date:	Mon, 24 Feb 2014 14:02:05 +0100
From:	David Sterba <dsterba@...e.cz>
To:	Peter Hurley <peter@...leysoftware.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, linux-serial@...r.kernel.org,
	Beat Bolli <bbolli@...net.ch>, Pavel Roskin <proski@....org>,
	linux-kernel@...r.kernel.org, Jiri Kosina <jkosina@...e.cz>,
	Felipe Balbi <balbi@...com>,
	Grant Edwards <grant.b.edwards@...il.com>,
	Stanislaw Gruszka <sgruszka@...hat.com>,
	Hal Murray <murray+fedora@...64-139-1-69.sjc.megapath.net>,
	Alan Cox <gnomes@...rguk.ukuu.org.uk>, stable@...r.kernel.org
Subject: Re: [PATCH] tty: Fix low_latency BUG

On Sat, Feb 22, 2014 at 07:31:21AM -0500, Peter Hurley wrote:
> --- a/drivers/tty/ipwireless/tty.c
> +++ b/drivers/tty/ipwireless/tty.c
> @@ -176,9 +176,6 @@ void ipwireless_tty_received(struct ipw_tty *tty, unsigned char *data,
>  				": %d chars not inserted to flip buffer!\n",
>  				length - work);
>  
> -	/*
> -	 * This may sleep if ->low_latency is set
> -	 */

This is a no-op change for the ipwireless driver itself, nevertheless
here goes the maintainer's

Acked-by: David Sterba <dsterba@...e.cz>

>  	if (work)
>  		tty_flip_buffer_push(&tty->port);
>  }

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