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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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Three cases of simple overlapping changes.

Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
David S. Miller 2017-09-01 17:42:05 -07:00
commit 6026e043d0
359 changed files with 2437 additions and 1658 deletions
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12
net/packet/af_packet.c
View file

@ -2189,6 +2189,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
struct timespec ts;
__u32 ts_status;
bool is_drop_n_account = false;
bool do_vnet = false;
/* struct tpacket{2,3}_hdr is aligned to a multiple of TPACKET_ALIGNMENT.
* We may add members to them until current aligned size without forcing
@ -2239,8 +2240,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
netoff = TPACKET_ALIGN(po->tp_hdrlen +
(maclen < 16 ? 16 : maclen)) +
po->tp_reserve;
if (po->has_vnet_hdr)
if (po->has_vnet_hdr) {
netoff += sizeof(struct virtio_net_hdr);
do_vnet = true;
}
macoff = netoff - maclen;
}
if (po->tp_version <= TPACKET_V2) {
@ -2257,8 +2260,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
skb_set_owner_r(copy_skb, sk);
}
snaplen = po->rx_ring.frame_size - macoff;
if ((int)snaplen < 0)
if ((int)snaplen < 0) {
snaplen = 0;
do_vnet = false;
}
}
} else if (unlikely(macoff + snaplen >
GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len)) {
@ -2271,6 +2276,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
if (unlikely((int)snaplen < 0)) {
snaplen = 0;
macoff = GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len;
do_vnet = false;
}
}
spin_lock(&sk->sk_receive_queue.lock);
@ -2296,7 +2302,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
}
spin_unlock(&sk->sk_receive_queue.lock);
if (po->has_vnet_hdr) {
if (do_vnet) {
if (virtio_net_hdr_from_skb(skb, h.raw + macoff -
sizeof(struct virtio_net_hdr),
vio_le(), true)) {