v2: Use splitted functions instead of direct counter decrement.
v3: Changed subject and commit message
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@xxxxxxxxxxx>
---
net/mac80211/tx.c | 22 ++++++++++++++--------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 7fe528a..7425803 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3211,6 +3211,16 @@ static void ieee80211_set_csa(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
}
+static u8 __ieee80211_csa_update_counter(struct beacon_data *beacon)
+{
+ beacon->csa_current_counter--;
+
+ /* the counter should never reach 0 */
+ WARN_ON_ONCE(!beacon->csa_current_counter);
+
+ return beacon->csa_current_counter;
+}
+
u8 ieee80211_csa_update_counter(struct ieee80211_vif *vif)
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
@@ -3229,11 +3239,7 @@ u8 ieee80211_csa_update_counter(struct ieee80211_vif *vif)
if (!beacon)
goto unlock;
- beacon->csa_current_counter--;
-
- /* the counter should never reach 0 */
- WARN_ON_ONCE(!beacon->csa_current_counter);
- count = beacon->csa_current_counter;
+ count = __ieee80211_csa_update_counter(beacon);
unlock:
rcu_read_unlock();
@@ -3333,7 +3339,7 @@ __ieee80211_beacon_get(struct ieee80211_hw *hw,
if (beacon) {
if (beacon->csa_counter_offsets[0]) {
if (!is_template)
- ieee80211_csa_update_counter(vif);
+ __ieee80211_csa_update_counter(beacon);
ieee80211_set_csa(sdata, beacon);
}
@@ -3379,7 +3385,7 @@ __ieee80211_beacon_get(struct ieee80211_hw *hw,
if (beacon->csa_counter_offsets[0]) {
if (!is_template)
- ieee80211_csa_update_counter(vif);
+ __ieee80211_csa_update_counter(beacon);
ieee80211_set_csa(sdata, beacon);
}
@@ -3409,7 +3415,7 @@ __ieee80211_beacon_get(struct ieee80211_hw *hw,
* for now we leave it consistent with overall
* mac80211's behavior.
*/
- ieee80211_csa_update_counter(vif);
+ __ieee80211_csa_update_counter(beacon);
ieee80211_set_csa(sdata, beacon);
}
--
1.9.1
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