This will make it possible to iterate over
interface list while in an atomic context,
i.e. tasklet.
Caller should still be careful with accessing
arvif structures though.
Signed-off-by: Michal Kazior <michal.kaz...@tieto.com>
---
drivers/net/wireless/ath/ath10k/mac.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c
b/drivers/net/wireless/ath/ath10k/mac.c
index b175827..fed8cc9 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3283,7 +3283,10 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
}
ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
+
+ spin_lock_bh(&ar->data_lock);
list_add(&arvif->list, &ar->arvifs);
+ spin_unlock_bh(&ar->data_lock);
vdev_param = ar->wmi.vdev_param->def_keyid;
ret = ath10k_wmi_vdev_set_param(ar, 0, vdev_param,
@@ -3400,7 +3403,9 @@ err_peer_delete:
err_vdev_delete:
ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
ar->free_vdev_map |= 1LL << arvif->vdev_id;
+ spin_lock_bh(&ar->data_lock);
list_del(&arvif->list);
+ spin_unlock_bh(&ar->data_lock);
err:
if (arvif->beacon_buf) {
@@ -3435,7 +3440,10 @@ static void ath10k_remove_interface(struct ieee80211_hw
*hw,
arvif->vdev_id, ret);
ar->free_vdev_map |= 1LL << arvif->vdev_id;
+
+ spin_lock_bh(&ar->data_lock);
list_del(&arvif->list);
+ spin_unlock_bh(&ar->data_lock);
if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id,
--
1.8.5.3
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
