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| author | David S. Miller <davem@davemloft.net> | 2017-08-15 20:23:23 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-15 20:23:23 -0700 |
| commit | 463910e2dff580e4e9a678af710b4818b5189691 (patch) | |
| tree | 21b4e53cdbec7e5a537ddfc1598fbf17deae57e2 /net/dsa | |
| parent | 22cb7a3ac380ecaab6837670963813599b123a53 (diff) | |
| parent | 510c8a899caf095cb13d09d203573deef15db2fe (diff) | |
| download | linux-463910e2dff580e4e9a678af710b4818b5189691.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/dsa')
| -rw-r--r-- | net/dsa/tag_ksz.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/dsa/tag_ksz.c b/net/dsa/tag_ksz.c index fab41de8e983..de66ca8e6201 100644 --- a/net/dsa/tag_ksz.c +++ b/net/dsa/tag_ksz.c @@ -42,6 +42,9 @@ static struct sk_buff *ksz_xmit(struct sk_buff *skb, struct net_device *dev) padlen = (skb->len >= ETH_ZLEN) ? 0 : ETH_ZLEN - skb->len; if (skb_tailroom(skb) >= padlen + KSZ_INGRESS_TAG_LEN) { + if (skb_put_padto(skb, skb->len + padlen)) + return NULL; + nskb = skb; } else { nskb = alloc_skb(NET_IP_ALIGN + skb->len + @@ -56,13 +59,15 @@ static struct sk_buff *ksz_xmit(struct sk_buff *skb, struct net_device *dev) skb_set_transport_header(nskb, skb_transport_header(skb) - skb->head); skb_copy_and_csum_dev(skb, skb_put(nskb, skb->len)); + + if (skb_put_padto(nskb, nskb->len + padlen)) { + kfree_skb(nskb); + return NULL; + } + kfree_skb(skb); } - /* skb is freed when it fails */ - if (skb_put_padto(nskb, nskb->len + padlen)) - return NULL; - tag = skb_put(nskb, KSZ_INGRESS_TAG_LEN); tag[0] = 0; tag[1] = 1 << p->dp->index; /* destination port */ |