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From: "Ivan T. Ivanov" <iivanov-NEYub+7Iv8PQT0dZR+AlfA@public.gmane.org>
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Gerhard Sittig <gsi-ynQEQJNshbs@public.gmane.org>
Subject: Re: [PATCH v2] spi: core: Validate lenght of the transfers in message
Date: Mon, 17 Feb 2014 17:20:00 +0200	[thread overview]
Message-ID: <1392650400.17130.12.camel@iivanov-dev> (raw)
In-Reply-To: <1392444566-23605-1-git-send-email-iivanov-NEYub+7Iv8PQT0dZR+AlfA@public.gmane.org>


Hi, Please ignore this patch.

On Sat, 2014-02-15 at 08:09 +0200, Ivan T. Ivanov wrote:

> 
> +		/*
> +		 * SPI transfer length should be multiple of SPI word size
> +		 * where SPI word size should be power-of-two multiple
> +		 */
> +		if (xfer->bits_per_word <= 8)
> +			w_size = 1;
> +		else if (xfer->bits_per_word <= 16)
> +			w_size = 2;
> +		else
> +			w_size = 4;
> +
> +		n_words = xfer->len / w_size;
> +		/* No partial transfers accepted */
> +		if (!n_words || xfer->len % xfer->bits_per_word)

This should be
if (!n_words || xfer->len % w_size)


Regards,
Ivan

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      parent reply	other threads:[~2014-02-17 15:20 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-15  6:09 [PATCH v2] spi: core: Validate lenght of the transfers in message Ivan T. Ivanov
     [not found] ` <1392444566-23605-1-git-send-email-iivanov-NEYub+7Iv8PQT0dZR+AlfA@public.gmane.org>
2014-02-16 14:25   ` Gerhard Sittig
     [not found]     ` <20140216142512.GR4524-kDjWylLy9wD0K7fsECOQyeGNnDKD8DIp@public.gmane.org>
2014-02-17  7:41       ` Ivan T. Ivanov
2014-02-18  0:09     ` Mark Brown
     [not found]       ` <20140218000938.GE2669-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-02-18 19:37         ` Gerhard Sittig
     [not found]           ` <20140218193747.GE4524-kDjWylLy9wD0K7fsECOQyeGNnDKD8DIp@public.gmane.org>
2014-02-19  1:51             ` Mark Brown
2014-02-17 15:20   ` Ivan T. Ivanov [this message]

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