diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mcu.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mcu.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mcu.c b/drivers/net/wireless/mediatek/mt76/mcu.c index 2bbe41e3b78f..76dadef7ccfe 100644 --- a/drivers/net/wireless/mediatek/mt76/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mcu.c @@ -51,8 +51,8 @@ void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb) } EXPORT_SYMBOL_GPL(mt76_mcu_rx_event); -int mt76_mcu_send_msg(struct mt76_dev *dev, int cmd, const void *data, - int len, bool wait_resp) +int mt76_mcu_send_and_get_msg(struct mt76_dev *dev, int cmd, const void *data, + int len, bool wait_resp, struct sk_buff **ret_skb) { struct sk_buff *skb; @@ -63,16 +63,20 @@ int mt76_mcu_send_msg(struct mt76_dev *dev, int cmd, const void *data, if (!skb) return -ENOMEM; - return mt76_mcu_skb_send_msg(dev, skb, cmd, wait_resp); + return mt76_mcu_skb_send_and_get_msg(dev, skb, cmd, wait_resp, ret_skb); } -EXPORT_SYMBOL_GPL(mt76_mcu_send_msg); +EXPORT_SYMBOL_GPL(mt76_mcu_send_and_get_msg); -int mt76_mcu_skb_send_msg(struct mt76_dev *dev, struct sk_buff *skb, - int cmd, bool wait_resp) +int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb, + int cmd, bool wait_resp, + struct sk_buff **ret_skb) { unsigned long expires; int ret, seq; + if (ret_skb) + *ret_skb = NULL; + mutex_lock(&dev->mcu.mutex); ret = dev->mcu_ops->mcu_skb_send_msg(dev, skb, cmd, &seq); @@ -89,7 +93,10 @@ int mt76_mcu_skb_send_msg(struct mt76_dev *dev, struct sk_buff *skb, do { skb = mt76_mcu_get_response(dev, expires); ret = dev->mcu_ops->mcu_parse_response(dev, cmd, skb, seq); - dev_kfree_skb(skb); + if (!ret && ret_skb) + *ret_skb = skb; + else + dev_kfree_skb(skb); } while (ret == -EAGAIN); out: @@ -97,4 +104,4 @@ out: return ret; } -EXPORT_SYMBOL_GPL(mt76_mcu_skb_send_msg); +EXPORT_SYMBOL_GPL(mt76_mcu_skb_send_and_get_msg); |