4.9-stable review patch. If anyone has any objections, please let me know.
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From: Florian Fainelli f.fainelli@gmail.com
[ Upstream commit bb7da333d0a9f3bddc08f84187b7579a3f68fd24 ]
Since we need to pad our packets, utilize skb_put_padto() which increases skb->len by how much we need to pad, allowing us to eliminate the test on skb->len right below.
Signed-off-by: Florian Fainelli f.fainelli@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/broadcom/bcmsysport.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
--- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1039,13 +1039,12 @@ static netdev_tx_t bcm_sysport_xmit(stru * (including FCS and tag) because the length verification is done after * the Broadcom tag is stripped off the ingress packet. */ - if (skb_padto(skb, ETH_ZLEN + ENET_BRCM_TAG_LEN)) { + if (skb_put_padto(skb, ETH_ZLEN + ENET_BRCM_TAG_LEN)) { ret = NETDEV_TX_OK; goto out; }
- skb_len = skb->len < ETH_ZLEN + ENET_BRCM_TAG_LEN ? - ETH_ZLEN + ENET_BRCM_TAG_LEN : skb->len; + skb_len = skb->len;
mapping = dma_map_single(kdev, skb->data, skb_len, DMA_TO_DEVICE); if (dma_mapping_error(kdev, mapping)) {