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path: root/drivers/net/wireless/ath/carl9170
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Diffstat (limited to 'drivers/net/wireless/ath/carl9170')
-rw-r--r--drivers/net/wireless/ath/carl9170/main.c9
-rw-r--r--drivers/net/wireless/ath/carl9170/tx.c12
2 files changed, 9 insertions, 12 deletions
diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index cca3b086aa70..49f7ee1c912b 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -307,8 +307,7 @@ static void carl9170_zap_queues(struct ar9170 *ar)
for (i = 0; i < ar->hw->queues; i++)
ar->tx_stats[i].limit = CARL9170_NUM_TX_LIMIT_HARD;
- for (i = 0; i < DIV_ROUND_UP(ar->fw.mem_blocks, BITS_PER_LONG); i++)
- ar->mem_bitmap[i] = 0;
+ bitmap_zero(ar->mem_bitmap, ar->fw.mem_blocks);
rcu_read_lock();
list_for_each_entry_rcu(cvif, &ar->vif_list, list) {
@@ -1968,9 +1967,7 @@ int carl9170_register(struct ar9170 *ar)
if (WARN_ON(ar->mem_bitmap))
return -EINVAL;
- ar->mem_bitmap = kcalloc(roundup(ar->fw.mem_blocks, BITS_PER_LONG),
- sizeof(unsigned long),
- GFP_KERNEL);
+ ar->mem_bitmap = bitmap_zalloc(ar->fw.mem_blocks, GFP_KERNEL);
if (!ar->mem_bitmap)
return -ENOMEM;
@@ -2085,7 +2082,7 @@ void carl9170_free(struct ar9170 *ar)
kfree_skb(ar->rx_failover);
ar->rx_failover = NULL;
- kfree(ar->mem_bitmap);
+ bitmap_free(ar->mem_bitmap);
ar->mem_bitmap = NULL;
kfree(ar->survey);
diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c
index 88444fe6d1c6..1b76f4434c06 100644
--- a/drivers/net/wireless/ath/carl9170/tx.c
+++ b/drivers/net/wireless/ath/carl9170/tx.c
@@ -275,12 +275,12 @@ static void carl9170_tx_release(struct kref *ref)
if (WARN_ON_ONCE(!ar))
return;
- BUILD_BUG_ON(
- offsetof(struct ieee80211_tx_info, status.ack_signal) != 20);
-
- memset(&txinfo->status.ack_signal, 0,
- sizeof(struct ieee80211_tx_info) -
- offsetof(struct ieee80211_tx_info, status.ack_signal));
+ /*
+ * This does not call ieee80211_tx_info_clear_status() because
+ * carl9170_tx_fill_rateinfo() has filled the rate information
+ * before we get to this point.
+ */
+ memset_after(&txinfo->status, 0, rates);
if (atomic_read(&ar->tx_total_queued))
ar->tx_schedule = true;