From b79296beeba470074737a7d5a941f4ddd64863d8 Mon Sep 17 00:00:00 2001
From: Helmut Schaa <helmut.schaa@googlemail.com>
Date: Mon, 14 Nov 2011 15:28:19 +0100
Subject: [PATCH] mac80211: Check rate->idx before rate->count

The drivers are not required to fill in rate->count if rate->idx is set
to -1. Hence, we should first check rate->idx before accessing
rate->count.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Reading git-format-patch failed