korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-09-22 22:11:38 +08:00
Code Issues Packages Projects Releases Wiki Activity

mac80211: annotate MMIC head/tailroom warning

Browse Source 
This message occasionally triggers for some people as in
https://bugzilla.redhat.com/show_bug.cgi?id=1111740 but
it's not clear which (headroom or tailroom) is at fault.
Annotate the message a bit to get more information.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2014-09-08 11:22:42 +02:00
parent c8d6591752
commit b1e9be8775
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
net/mac80211/wpa.c
View File

@ -64,8 +64,11 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx)
if (!info->control.hw_key)
tail += IEEE80211_TKIP_ICV_LEN;
if (WARN_ON(skb_tailroom(skb) < tail ||
skb_headroom(skb) < IEEE80211_TKIP_IV_LEN))
if (WARN(skb_tailroom(skb) < tail ||
skb_headroom(skb) < IEEE80211_TKIP_IV_LEN,
"mmic: not enough head/tail (%d/%d,%d/%d)\n",
skb_headroom(skb), IEEE80211_TKIP_IV_LEN,
skb_tailroom(skb), tail))
return TX_DROP;
key = &tx->key->conf.key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY];