netdev - Re: [PATCH] xen: netback: fix error printf format string.

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Message-ID: <20150529162452.GH30474@zion.uk.xensource.com>
Date:	Fri, 29 May 2015 17:24:52 +0100
From:	Wei Liu <wei.liu2@...rix.com>
To:	Ian Campbell <ian.campbell@...rix.com>
CC:	<xen-devel@...ts.xen.org>, <netdev@...r.kernel.org>,
	<wei.liu2@...rix.com>
Subject: Re: [PATCH] xen: netback: fix error printf format string.

On Fri, May 29, 2015 at 05:22:04PM +0100, Ian Campbell wrote:
> drivers/net/xen-netback/netback.c: In function ‘xenvif_tx_build_gops’:
> drivers/net/xen-netback/netback.c:1253:8: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 5 has type ‘int’ [-Wformat=]
>         (txreq.offset&~PAGE_MASK) + txreq.size);
>         ^
> 
> txreq.offset and .size are uint16_t fields.
> 
> Signed-off-by: Ian Campbell <ian.campbell@...rix.com>

Acked-by: Wei Liu <wei.liu2@...rix.com>

> ---
>  drivers/net/xen-netback/netback.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
> index 4de46aa..a3b1cbb 100644
> --- a/drivers/net/xen-netback/netback.c
> +++ b/drivers/net/xen-netback/netback.c
> @@ -1248,7 +1248,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
>  		/* No crossing a page as the payload mustn't fragment. */
>  		if (unlikely((txreq.offset + txreq.size) > PAGE_SIZE)) {
>  			netdev_err(queue->vif->dev,
> -				   "txreq.offset: %x, size: %u, end: %lu\n",
> +				   "txreq.offset: %x, size: %u, end: %u\n",
>  				   txreq.offset, txreq.size,
>  				   (txreq.offset&~PAGE_MASK) + txreq.size);
>  			xenvif_fatal_tx_err(queue->vif);
> -- 
> 1.7.10.4
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