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authorLinus Torvalds2014-08-06 18:38:14 +0200
committerLinus Torvalds2014-08-06 18:38:14 +0200
commitae045e2455429c418a418a3376301a9e5753a0a8 (patch)
treeb445bdeecd3f38aa0d0a29c9585cee49e4ccb0f1 /net/ieee802154/dgram.c
parentMerge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: "Highlights: 1) Steady transitioning of the BPF instructure to a generic spot so all kernel subsystems can make use of it, from Alexei Starovoitov. 2) SFC driver supports busy polling, from Alexandre Rames. 3) Take advantage of hash table in UDP multicast delivery, from David Held. 4) Lighten locking, in particular by getting rid of the LRU lists, in inet frag handling. From Florian Westphal. 5) Add support for various RFC6458 control messages in SCTP, from Geir Ola Vaagland. 6) Allow to filter bridge forwarding database dumps by device, from Jamal Hadi Salim. 7) virtio-net also now supports busy polling, from Jason Wang. 8) Some low level optimization tweaks in pktgen from Jesper Dangaard Brouer. 9) Add support for ipv6 address generation modes, so that userland can have some input into the process. From Jiri Pirko. 10) Consolidate common TCP connection request code in ipv4 and ipv6, from Octavian Purdila. 11) New ARP packet logger in netfilter, from Pablo Neira Ayuso. 12) Generic resizable RCU hash table, with intial users in netlink and nftables. From Thomas Graf. 13) Maintain a name assignment type so that userspace can see where a network device name came from (enumerated by kernel, assigned explicitly by userspace, etc.) From Tom Gundersen. 14) Automatic flow label generation on transmit in ipv6, from Tom Herbert. 15) New packet timestamping facilities from Willem de Bruijn, meant to assist in measuring latencies going into/out-of the packet scheduler, latency from TCP data transmission to ACK, etc" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1536 commits) cxgb4 : Disable recursive mailbox commands when enabling vi net: reduce USB network driver config options. tg3: Modify tg3_tso_bug() to handle multiple TX rings amd-xgbe: Perform phy connect/disconnect at dev open/stop amd-xgbe: Use dma_set_mask_and_coherent to set DMA mask net: sun4i-emac: fix memory leak on bad packet sctp: fix possible seqlock seadlock in sctp_packet_transmit() Revert "net: phy: Set the driver when registering an MDIO bus device" cxgb4vf: Turn off SGE RX/TX Callback Timers and interrupts in PCI shutdown routine team: Simplify return path of team_newlink bridge: Update outdated comment on promiscuous mode net-timestamp: ACK timestamp for bytestreams net-timestamp: TCP timestamping net-timestamp: SCHED timestamp on entering packet scheduler net-timestamp: add key to disambiguate concurrent datagrams net-timestamp: move timestamp flags out of sk_flags net-timestamp: extend SCM_TIMESTAMPING ancillary data struct cxgb4i : Move stray CPL definitions to cxgb4 driver tcp: reduce spurious retransmits due to transient SACK reneging qlcnic: Initialize dcbnl_ops before register_netdev ...
Diffstat (limited to 'net/ieee802154/dgram.c')
-rw-r--r--net/ieee802154/dgram.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index 4f0ed8780194..ef2ad8aaef13 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -149,8 +149,7 @@ static int dgram_ioctl(struct sock *sk, int cmd, unsigned long arg)
spin_lock_bh(&sk->sk_receive_queue.lock);
skb = skb_peek(&sk->sk_receive_queue);
if (skb != NULL) {
- /*
- * We will only return the amount
+ /* We will only return the amount
* of this packet since that is all
* that will be read.
*/
@@ -161,12 +160,13 @@ static int dgram_ioctl(struct sock *sk, int cmd, unsigned long arg)
}
}
+
return -ENOIOCTLCMD;
}
/* FIXME: autobind */
static int dgram_connect(struct sock *sk, struct sockaddr *uaddr,
- int len)
+ int len)
{
struct sockaddr_ieee802154 *addr = (struct sockaddr_ieee802154 *)uaddr;
struct dgram_sock *ro = dgram_sk(sk);
@@ -205,7 +205,7 @@ static int dgram_disconnect(struct sock *sk, int flags)
}
static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk,
- struct msghdr *msg, size_t size)
+ struct msghdr *msg, size_t size)
{
struct net_device *dev;
unsigned int mtu;
@@ -248,8 +248,8 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk,
hlen = LL_RESERVED_SPACE(dev);
tlen = dev->needed_tailroom;
skb = sock_alloc_send_skb(sk, hlen + tlen + size,
- msg->msg_flags & MSG_DONTWAIT,
- &err);
+ msg->msg_flags & MSG_DONTWAIT,
+ &err);
if (!skb)
goto out_dev;
@@ -262,7 +262,8 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk,
cb->ackreq = ro->want_ack;
if (msg->msg_name) {
- DECLARE_SOCKADDR(struct sockaddr_ieee802154*, daddr, msg->msg_name);
+ DECLARE_SOCKADDR(struct sockaddr_ieee802154*,
+ daddr, msg->msg_name);
ieee802154_addr_from_sa(&dst_addr, &daddr->addr);
} else {
@@ -304,8 +305,8 @@ out:
}
static int dgram_recvmsg(struct kiocb *iocb, struct sock *sk,
- struct msghdr *msg, size_t len, int noblock, int flags,
- int *addr_len)
+ struct msghdr *msg, size_t len, int noblock,
+ int flags, int *addr_len)
{
size_t copied = 0;
int err = -EOPNOTSUPP;
@@ -398,6 +399,7 @@ int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb)
dgram_sk(sk))) {
if (prev) {
struct sk_buff *clone;
+
clone = skb_clone(skb, GFP_ATOMIC);
if (clone)
dgram_rcv_skb(prev, clone);
@@ -407,9 +409,9 @@ int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb)
}
}
- if (prev)
+ if (prev) {
dgram_rcv_skb(prev, skb);
- else {
+ } else {
kfree_skb(skb);
ret = NET_RX_DROP;
}
@@ -419,7 +421,7 @@ int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb)
}
static int dgram_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen)
+ char __user *optval, int __user *optlen)
{
struct dgram_sock *ro = dgram_sk(sk);
@@ -463,7 +465,7 @@ static int dgram_getsockopt(struct sock *sk, int level, int optname,
}
static int dgram_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen)
+ char __user *optval, unsigned int optlen)
{
struct dgram_sock *ro = dgram_sk(sk);
struct net *net = sock_net(sk);