From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: Re: [PATCH 1/1] mtd: dataflash: fix spi_transfer init
Date: Fri, 2 Nov 2012 09:57:29 +0100 [thread overview]
Message-ID: <20121102085729.GH1641@pengutronix.de> (raw)
In-Reply-To: <1351761415-3199-1-git-send-email-plagnioj@jcrosoft.com>
On Thu, Nov 01, 2012 at 10:16:55AM +0100, wrote:
> From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
>
> on some system as the spi_transfer is not set to 0 if the rx_buf or tx_buf
> are not used they are not set to NULL
>
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Applied, thanks
Sascha
> ---
> drivers/mtd/devices/mtd_dataflash.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
> index cbed15b..3b7b9c6 100644
> --- a/drivers/mtd/devices/mtd_dataflash.c
> +++ b/drivers/mtd/devices/mtd_dataflash.c
> @@ -161,6 +161,8 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr)
>
> spi_message_init(&msg);
>
> + memset(&x, 0, sizeof(x));
> +
> x.tx_buf = command = priv->command;
> x.len = 4;
> spi_message_add_tail(&x, &msg);
> @@ -246,6 +248,8 @@ static int dataflash_read(struct mtd_info *mtd, loff_t from, size_t len,
>
> spi_message_init(&msg);
>
> + memset(&x[0], 0, sizeof(struct spi_transfer) * 2);
> +
> x[0].tx_buf = command;
> x[0].len = 8;
> spi_message_add_tail(&x[0], &msg);
> @@ -302,6 +306,8 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
>
> spi_message_init(&msg);
>
> + memset(&x[0], 0, sizeof(struct spi_transfer) * 2);
> +
> x[0].tx_buf = command = priv->command;
> x[0].len = 4;
> spi_message_add_tail(&x[0], &msg);
> --
> 1.7.10.4
>
>
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prev parent reply other threads:[~2012-11-02 8:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-01 9:16
2012-11-02 8:57 ` Sascha Hauer [this message]
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