linux-kernel - Re: [PATCH] eeprom: at24: tweak the loop_until

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Date:	Mon, 18 Jul 2016 20:11:34 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:	linux-i2c <linux-i2c@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Lunn <andrew@...n.ch>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	GregKH <greg@...ah.com>
Subject: Re: [PATCH] eeprom: at24: tweak the loop_until_timeout() macro

On Sun, Jul 17, 2016 at 08:40:06PM +0200, Bartosz Golaszewski wrote:
> loop_until_timeout() replaced a do {} while loop in the at24 driver
> with a for loop which, under certain circumstances (such as heavy load
> or low value of the write_timeout argument), can lead to the code in
> the loop never being executed.
> 
> Make sure that at least one iteration of the code enclosed within
> loop_until_timeout() is always executed.
> 
> Suggested-by: Wolfram Sang <wsa@...-dreams.de>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>

Applied to for-next, thanks!


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