diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mcu.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mcu.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mcu.c b/drivers/net/wireless/mediatek/mt76/mcu.c index 98da82b74094..3353012e8542 100644 --- a/drivers/net/wireless/mediatek/mt76/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mcu.c @@ -84,13 +84,16 @@ int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb, mutex_lock(&dev->mcu.mutex); if (dev->mcu_ops->mcu_skb_prepare_msg) { + orig_skb = skb; ret = dev->mcu_ops->mcu_skb_prepare_msg(dev, skb, cmd, &seq); if (ret < 0) goto out; } retry: - orig_skb = skb_get(skb); + /* orig skb might be needed for retry, mcu_skb_send_msg consumes it */ + if (orig_skb) + skb_get(orig_skb); ret = dev->mcu_ops->mcu_skb_send_msg(dev, skb, cmd, &seq); if (ret < 0) goto out; @@ -105,7 +108,7 @@ retry: do { skb = mt76_mcu_get_response(dev, expires); if (!skb && !test_bit(MT76_MCU_RESET, &dev->phy.state) && - retry++ < dev->mcu_ops->max_retry) { + orig_skb && retry++ < dev->mcu_ops->max_retry) { dev_err(dev->dev, "Retry message %08x (seq %d)\n", cmd, seq); skb = orig_skb; |