diff options
| author | Mark Brown <broonie@kernel.org> | 2019-01-29 12:04:54 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-01-29 12:04:54 +0000 |
| commit | d7c26e63cf78fef01d66ae848184c6ee5f4b8bbf (patch) | |
| tree | 3765745a38a7ae1a4a3a056dfc6c736e4c99271d /drivers/net/ethernet/renesas/ravb_main.c | |
| parent | a8233b6c1972e1959cf84a021aeb61ddcd23cc26 (diff) | |
| parent | f17b5f06cb92ef2250513a1e154c47b78df07d40 (diff) | |
Merge tag 'v5.0-rc4' into asoc-5.1
Linux 5.0-rc4
Diffstat (limited to 'drivers/net/ethernet/renesas/ravb_main.c')
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index ffc1ada4e6da..d28c8f9ca55b 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -343,7 +343,7 @@ static int ravb_ring_init(struct net_device *ndev, int q) int i; priv->rx_buf_sz = (ndev->mtu <= 1492 ? PKT_BUF_SZ : ndev->mtu) + - ETH_HLEN + VLAN_HLEN; + ETH_HLEN + VLAN_HLEN + sizeof(__sum16); /* Allocate RX and TX skb rings */ priv->rx_skb[q] = kcalloc(priv->num_rx_ring[q], @@ -524,13 +524,15 @@ static void ravb_rx_csum(struct sk_buff *skb) { u8 *hw_csum; - /* The hardware checksum is 2 bytes appended to packet data */ - if (unlikely(skb->len < 2)) + /* The hardware checksum is contained in sizeof(__sum16) (2) bytes + * appended to packet data + */ + if (unlikely(skb->len < sizeof(__sum16))) return; - hw_csum = skb_tail_pointer(skb) - 2; + hw_csum = skb_tail_pointer(skb) - sizeof(__sum16); skb->csum = csum_unfold((__force __sum16)get_unaligned_le16(hw_csum)); skb->ip_summed = CHECKSUM_COMPLETE; - skb_trim(skb, skb->len - 2); + skb_trim(skb, skb->len - sizeof(__sum16)); } /* Packet receive function for Ethernet AVB */ |