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authorJiri Pirko <jiri@resnulli.us>2015-08-02 20:56:38 +0200
committerDavid S. Miller <davem@davemloft.net>2015-08-03 23:22:26 +0200
commit95b9be64d1683c4552ab94d94c08bf833561b1c4 (patch)
tree0801f771ed8cbdc7104d74e3538c0919a9a4a47d /drivers/net/ethernet/rocker
parentrocker: enable support for scattered packets (diff)
downloadlinux-95b9be64d1683c4552ab94d94c08bf833561b1c4.tar.xz
linux-95b9be64d1683c4552ab94d94c08bf833561b1c4.zip
rocker: linearize skb in case frags would not fit into tx descriptor
Suggested-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/rocker')
-rw-r--r--drivers/net/ethernet/rocker/rocker.c7
1 files 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];