netdev - Re: [PATCH] pktgen: restore nanosec delays

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Message-ID: <20091003211620.4ac469b6@nehalam>
Date:	Sat, 3 Oct 2009 21:16:20 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH] pktgen: restore nanosec delays

On Sat, 03 Oct 2009 13:39:18 +0200
Eric Dumazet <eric.dumazet@...il.com> wrote:

> Commit fd29cf72 (pktgen: convert to use ktime_t)
> inadvertantly converted "delay" parameter from nanosec to microsec.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
> ---
> 
> diff --git a/net/core/pktgen.c b/net/core/pktgen.c
> index b694552..227ba31 100644
> --- a/net/core/pktgen.c
> +++ b/net/core/pktgen.c
> @@ -964,7 +964,7 @@ static ssize_t pktgen_if_write(struct file *file,
>  		if (value == 0x7FFFFFFF)
>  			pkt_dev->delay = ULLONG_MAX;
>  		else
> -			pkt_dev->delay = (u64)value * NSEC_PER_USEC;
> +			pkt_dev->delay = (u64)value;

Is the cast really necessary?
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