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authorLinus Torvalds <torvalds@linux-foundation.org>2010-11-12 20:17:55 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-11-12 20:17:55 -0500
commit9457b24a0955bbdd2e89220a75de69fe09501bba (patch)
treecb484848e14cc2705c4513ad3ec1f0420a4d55db /net/packet/af_packet.c
parent80ef913f5e6a84551545016cea709f5e96d0cda6 (diff)
parent0597d1b99fcfc2c0eada09a698f85ed413d4ba84 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (66 commits) can-bcm: fix minor heap overflow gianfar: Do not call device_set_wakeup_enable() under a spinlock ipv6: Warn users if maximum number of routes is reached. docs: Add neigh/gc_thresh3 and route/max_size documentation. axnet_cs: fix resume problem for some Ax88790 chip ipv6: addrconf: don't remove address state on ifdown if the address is being kept tcp: Don't change unlocked socket state in tcp_v4_err(). x25: Prevent crashing when parsing bad X.25 facilities cxgb4vf: add call to Firmware to reset VF State. cxgb4vf: Fail open if link_start() fails. cxgb4vf: flesh out PCI Device ID Table ... cxgb4vf: fix some errors in Gather List to skb conversion cxgb4vf: fix bug in Generic Receive Offload cxgb4vf: don't implement trivial (and incorrect) ndo_select_queue() ixgbe: Look inside vlan when determining offload protocol. bnx2x: Look inside vlan when determining checksum proto. vlan: Add function to retrieve EtherType from vlan packets. virtio-net: init link state correctly ucc_geth: Fix deadlock ucc_geth: Do not bring the whole IF down when TX failure. ...
Diffstat (limited to 'net/packet/af_packet.c')
-rw-r--r--net/packet/af_packet.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 3616f27b9d46..8298e676f5a0 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1610,9 +1610,11 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
1610 1610
1611 err = -EINVAL; 1611 err = -EINVAL;
1612 vnet_hdr_len = sizeof(vnet_hdr); 1612 vnet_hdr_len = sizeof(vnet_hdr);
1613 if ((len -= vnet_hdr_len) < 0) 1613 if (len < vnet_hdr_len)
1614 goto out_free; 1614 goto out_free;
1615 1615
1616 len -= vnet_hdr_len;
1617
1616 if (skb_is_gso(skb)) { 1618 if (skb_is_gso(skb)) {
1617 struct skb_shared_info *sinfo = skb_shinfo(skb); 1619 struct skb_shared_info *sinfo = skb_shinfo(skb);
1618 1620
@@ -1719,7 +1721,7 @@ static int packet_getname_spkt(struct socket *sock, struct sockaddr *uaddr,
1719 rcu_read_lock(); 1721 rcu_read_lock();
1720 dev = dev_get_by_index_rcu(sock_net(sk), pkt_sk(sk)->ifindex); 1722 dev = dev_get_by_index_rcu(sock_net(sk), pkt_sk(sk)->ifindex);
1721 if (dev) 1723 if (dev)
1722 strlcpy(uaddr->sa_data, dev->name, 15); 1724 strncpy(uaddr->sa_data, dev->name, 14);
1723 else 1725 else
1724 memset(uaddr->sa_data, 0, 14); 1726 memset(uaddr->sa_data, 0, 14);
1725 rcu_read_unlock(); 1727 rcu_read_unlock();
@@ -1742,6 +1744,7 @@ static int packet_getname(struct socket *sock, struct sockaddr *uaddr,
1742 sll->sll_family = AF_PACKET; 1744 sll->sll_family = AF_PACKET;
1743 sll->sll_ifindex = po->ifindex; 1745 sll->sll_ifindex = po->ifindex;
1744 sll->sll_protocol = po->num; 1746 sll->sll_protocol = po->num;
1747 sll->sll_pkttype = 0;
1745 rcu_read_lock(); 1748 rcu_read_lock();
1746 dev = dev_get_by_index_rcu(sock_net(sk), po->ifindex); 1749 dev = dev_get_by_index_rcu(sock_net(sk), po->ifindex);
1747 if (dev) { 1750 if (dev) {