diff options
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 2d5bdb1fd37d..fefa46120cbc 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -5197,9 +5197,9 @@ static inline int igb_maybe_stop_tx(struct igb_ring *tx_ring, const u16 size) return __igb_maybe_stop_tx(tx_ring, size); } -static void igb_tx_map(struct igb_ring *tx_ring, - struct igb_tx_buffer *first, - const u8 hdr_len) +static int igb_tx_map(struct igb_ring *tx_ring, + struct igb_tx_buffer *first, + const u8 hdr_len) { struct sk_buff *skb = first->skb; struct igb_tx_buffer *tx_buffer; @@ -5310,7 +5310,7 @@ static void igb_tx_map(struct igb_ring *tx_ring, */ mmiowb(); } - return; + return 0; dma_error: dev_err(tx_ring->dev, "TX DMA map failed\n"); @@ -5341,6 +5341,8 @@ dma_error: tx_buffer->skb = NULL; tx_ring->next_to_use = i; + + return -1; } netdev_tx_t igb_xmit_frame_ring(struct sk_buff *skb, @@ -5406,13 +5408,24 @@ netdev_tx_t igb_xmit_frame_ring(struct sk_buff *skb, else if (!tso) igb_tx_csum(tx_ring, first); - igb_tx_map(tx_ring, first, hdr_len); + if (igb_tx_map(tx_ring, first, hdr_len)) + goto cleanup_tx_tstamp; return NETDEV_TX_OK; out_drop: dev_kfree_skb_any(first->skb); first->skb = NULL; +cleanup_tx_tstamp: + if (unlikely(tx_flags & IGB_TX_FLAGS_TSTAMP)) { + struct igb_adapter *adapter = netdev_priv(tx_ring->netdev); + + dev_kfree_skb_any(adapter->ptp_tx_skb); + adapter->ptp_tx_skb = NULL; + if (adapter->hw.mac.type == e1000_82576) + cancel_work_sync(&adapter->ptp_tx_work); + clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state); + } return NETDEV_TX_OK; } |