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mac80211: simplify roc check in idle calculation 

There's no need to start iterating the list only to break on the
first item, just use !list_empty() and also simplify the whole
conditional into a single expression.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2014-02-12 11:29:32 +01:00
parent 361c3e0485
commit 1d5e1266cf
1 changed files with 3 additions and 8 deletions
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11
net/mac80211/iface.c
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@ -101,9 +101,8 @@ static u32 __ieee80211_idle_on(struct ieee80211_local *local)
static u32 __ieee80211_recalc_idle(struct ieee80211_local *local,
bool force_active)
{
bool working = false, scanning, active;
bool working, scanning, active;
unsigned int led_trig_start = 0, led_trig_stop = 0;
struct ieee80211_roc_work *roc;
lockdep_assert_held(&local->mtx);
@ -111,12 +110,8 @@ static u32 __ieee80211_recalc_idle(struct ieee80211_local *local,
!list_empty(&local->chanctx_list) ||
local->monitors;
if (!local->ops->remain_on_channel) {
list_for_each_entry(roc, &local->roc_list, list) {
working = true;
break;
}
}
working = !local->ops->remain_on_channel &&
!list_empty(&local->roc_list);
scanning = test_bit(SCAN_SW_SCANNING, &local->scanning) ||
test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning);