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mac80211: remove message on receiving unexpected unencrypted frames 

Some people are getting this message a lot, and we have traced it to
broken access points that much too often send completely empty frames
(all bytes zeroed, which they shouldn't do at all.)

Since we cannot do anything about such frames in any case except the
special case where we're debugging an AP, just remove the message.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2008-04-13 10:12:47 +02:00 committed by John W. Linville
parent 2dd0f69222
commit b3fc9c6c58
1 changed files with 2 additions and 5 deletions
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7
net/mac80211/rx.c
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@ -1050,12 +1050,9 @@ ieee80211_drop_unencrypted(struct ieee80211_txrx_data *rx)
if (unlikely(!(rx->fc & IEEE80211_FCTL_PROTECTED) && if (unlikely(!(rx->fc & IEEE80211_FCTL_PROTECTED) &&
(rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA && (rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
(rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_NULLFUNC && (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_NULLFUNC &&
(rx->key || rx->sdata->drop_unencrypted))) { (rx->key || rx->sdata->drop_unencrypted)))
if (net_ratelimit())
printk(KERN_DEBUG "%s: RX non-WEP frame, but expected "
"encryption\n", rx->dev->name);
return -EACCES; return -EACCES;
}
return 0; return 0;
} }