From 95b9be64d1683c4552ab94d94c08bf833561b1c4 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Sun, 2 Aug 2015 20:56:38 +0200 Subject: [PATCH] rocker: linearize skb in case frags would not fit into tx descriptor Suggested-by: Scott Feldman Signed-off-by: Jiri Pirko Acked-by: Scott Feldman Signed-off-by: David S. Miller --- drivers/net/ethernet/rocker/rocker.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index 730bdc01b944..4cd5a71ad45e 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -4157,8 +4157,11 @@ static netdev_tx_t rocker_port_xmit(struct sk_buff *skb, struct net_device *dev) skb->data, skb_headlen(skb)); if (err) goto nest_cancel; - if (skb_shinfo(skb)->nr_frags > ROCKER_TX_FRAGS_MAX) - goto nest_cancel; + if (skb_shinfo(skb)->nr_frags > ROCKER_TX_FRAGS_MAX) { + err = skb_linearize(skb); + if (err) + goto unmap_frags; + } for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];