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mac80211: avoid useless memory write on each frame RX 

In the likely case that probe_count is 0, don't write to the
memory there.

Also use ifmgd consistently in the function, instead of using
sdata->u.mgd as well.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2016-03-17 15:41:37 +02:00
parent 2c61cf9c56
commit b100e5d622
1 changed files with 4 additions and 3 deletions
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7
net/mac80211/mlme.c
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@ -122,15 +122,16 @@ void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
if (unlikely(!sdata->u.mgd.associated))
if (unlikely(!ifmgd->associated))
return;
ifmgd->probe_send_count = 0;
if (ifmgd->probe_send_count)
ifmgd->probe_send_count = 0;
if (ieee80211_hw_check(&sdata->local->hw, CONNECTION_MONITOR))
return;
mod_timer(&sdata->u.mgd.conn_mon_timer,
mod_timer(&ifmgd->conn_mon_timer,
round_jiffies_up(jiffies + IEEE80211_CONNECTION_IDLE_TIME));
}