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Subject: Re: [PATCH 2/2] mac80211: add support for setting the ad-hoc
 multicast rate
From: Johannes Berg <johannes@sipsolutions.net>
To: Felix Fietkau <nbd@openwrt.org>
Cc: linux-wireless@vger.kernel.org, linville@tuxdriver.com
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Date: Tue, 16 Nov 2010 14:27:51 -0800
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On Thu, 2010-11-11 at 15:07 +0100, Felix Fietkau wrote:

> +	if (mcast_rate) {
> +		for (i = 0; i < sband->n_bitrates; i++) {
> +			if (sband->bitrates[i].bitrate == mcast_rate) {
> +				*idx = i;
> +				return;
> +			}
> +		}
> +	}

That conversion loop really shouldn't be in the hotpath.

johannes