All configuration sequences should be protected
with conf_mutex to avoid concurrent/conflicting
requests.
This should make sure that wep tx key setup is not
performed while hw is restarted (at least).
Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/mac.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 40ce1e9..78b427d 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -1888,8 +1888,10 @@ static void ath10k_tx_wep_key_work(struct work_struct *work)
wep_key_work);
int ret, keyidx = arvif->def_wep_key_newidx;
+ mutex_lock(&arvif->ar->conf_mutex);
+
if (arvif->def_wep_key_idx == keyidx)
- return;
+ goto unlock;
ath10k_dbg(ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
arvif->vdev_id, keyidx);
@@ -1902,10 +1904,12 @@ static void ath10k_tx_wep_key_work(struct work_struct *work)
ath10k_warn("failed to update wep key index for vdev %d: %d\n",
arvif->vdev_id,
ret);
- return;
+ goto unlock;
}
arvif->def_wep_key_idx = keyidx;
+unlock:
+ mutex_unlock(&arvif->ar->conf_mutex);
}
static void ath10k_tx_h_update_wep_key(struct sk_buff *skb)
--
1.8.5.3
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
