From: Johannes Berg <johannes.berg@xxxxxxxxx>
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@xxxxxxxxx>
---
net/mac80211/iface.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 8880bc8..9db71cf 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -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);
--
1.8.5.3
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