From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 18 Apr 2011 15:05:21 +0000 (+0200)
Subject: mac80211: explain padding in place of rate field
X-Git-Tag: v3.0~349^2~16^2~330
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=73b48099cc265f88fa1255f3f43e52fe6a94fd5c;p=platform%2Fkernel%2Flinux-amlogic.git

mac80211: explain padding in place of rate field

Apparently this was confusing still ... add a
note that the byte is needed as padding.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 54858a6..1f06b31 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -143,7 +143,8 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	if (status->flag & RX_FLAG_HT) {
 		/*
 		 * MCS information is a separate field in radiotap,
-		 * added below.
+		 * added below. The byte here is needed as padding
+		 * for the channel though, so initialise it to 0.
 		 */
 		*pos = 0;
 	} else {