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-rw-r--r--net/ipv4/udp.c95
1 files changed, 48 insertions, 47 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 86368832d481..21901d2c5324 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -175,7 +175,8 @@ int __udp_lib_get_port(struct sock *sk, unsigned short snum,
;
}
result = best;
- for(i = 0; i < (1 << 16) / UDP_HTABLE_SIZE; i++, result += UDP_HTABLE_SIZE) {
+ for (i = 0; i < (1 << 16) / UDP_HTABLE_SIZE;
+ i++, result += UDP_HTABLE_SIZE) {
if (result > sysctl_local_port_range[1])
result = sysctl_local_port_range[0]
+ ((result - sysctl_local_port_range[0]) &
@@ -270,10 +271,10 @@ static struct sock *__udp4_lib_lookup(__be32 saddr, __be16 sport,
continue;
score+=2;
}
- if(score == 9) {
+ if (score == 9) {
result = sk;
break;
- } else if(score > badness) {
+ } else if (score > badness) {
result = sk;
badness = score;
}
@@ -765,38 +766,38 @@ out:
int udp_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
- switch(cmd)
+ switch (cmd) {
+ case SIOCOUTQ:
{
- case SIOCOUTQ:
- {
- int amount = atomic_read(&sk->sk_wmem_alloc);
- return put_user(amount, (int __user *)arg);
- }
+ int amount = atomic_read(&sk->sk_wmem_alloc);
+ return put_user(amount, (int __user *)arg);
+ }
- case SIOCINQ:
- {
- struct sk_buff *skb;
- unsigned long amount;
-
- amount = 0;
- spin_lock_bh(&sk->sk_receive_queue.lock);
- skb = skb_peek(&sk->sk_receive_queue);
- if (skb != NULL) {
- /*
- * We will only return the amount
- * of this packet since that is all
- * that will be read.
- */
- amount = skb->len - sizeof(struct udphdr);
- }
- spin_unlock_bh(&sk->sk_receive_queue.lock);
- return put_user(amount, (int __user *)arg);
+ case SIOCINQ:
+ {
+ struct sk_buff *skb;
+ unsigned long amount;
+
+ amount = 0;
+ spin_lock_bh(&sk->sk_receive_queue.lock);
+ skb = skb_peek(&sk->sk_receive_queue);
+ if (skb != NULL) {
+ /*
+ * We will only return the amount
+ * of this packet since that is all
+ * that will be read.
+ */
+ amount = skb->len - sizeof(struct udphdr);
}
+ spin_unlock_bh(&sk->sk_receive_queue.lock);
+ return put_user(amount, (int __user *)arg);
+ }
- default:
- return -ENOIOCTLCMD;
+ default:
+ return -ENOIOCTLCMD;
}
- return(0);
+
+ return 0;
}
/*
@@ -958,7 +959,7 @@ static int udp_encap_rcv(struct sock * sk, struct sk_buff *skb)
/* Check if this is a keepalive packet. If so, eat it. */
if (len == 1 && udpdata[0] == 0xff) {
return 0;
- } else if (len > sizeof(struct ip_esp_hdr) && udpdata32[0] != 0 ) {
+ } else if (len > sizeof(struct ip_esp_hdr) && udpdata32[0] != 0) {
/* ESP Packet without Non-ESP header */
len = sizeof(struct udphdr);
} else
@@ -1141,10 +1142,10 @@ static int __udp4_lib_mcast_deliver(struct sk_buff *skb,
sknext = udp_v4_mcast_next(sk_next(sk), uh->dest, daddr,
uh->source, saddr, dif);
- if(sknext)
+ if (sknext)
skb1 = skb_clone(skb, GFP_ATOMIC);
- if(skb1) {
+ if (skb1) {
int ret = udp_queue_rcv_skb(sk, skb1);
if (ret > 0)
/* we should probably re-process instead
@@ -1152,7 +1153,7 @@ static int __udp4_lib_mcast_deliver(struct sk_buff *skb,
kfree_skb(skb1);
}
sk = sknext;
- } while(sknext);
+ } while (sknext);
} else
kfree_skb(skb);
read_unlock(&udp_hash_lock);
@@ -1230,7 +1231,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
if (udp4_csum_init(skb, uh, proto))
goto csum_error;
- if(rt->rt_flags & (RTCF_BROADCAST|RTCF_MULTICAST))
+ if (rt->rt_flags & (RTCF_BROADCAST|RTCF_MULTICAST))
return __udp4_lib_mcast_deliver(skb, uh, saddr, daddr, udptable);
sk = __udp4_lib_lookup(saddr, uh->source, daddr, uh->dest,
@@ -1264,7 +1265,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
* don't wanna listen. Ignore it.
*/
kfree_skb(skb);
- return(0);
+ return 0;
short_packet:
LIMIT_NETDEBUG(KERN_DEBUG "UDP%s: short packet: From %u.%u.%u.%u:%u %d/%d to %u.%u.%u.%u:%u\n",
@@ -1292,7 +1293,7 @@ csum_error:
drop:
UDP_INC_STATS_BH(UDP_MIB_INERRORS, proto == IPPROTO_UDPLITE);
kfree_skb(skb);
- return(0);
+ return 0;
}
__inline__ int udp_rcv(struct sk_buff *skb)
@@ -1319,13 +1320,13 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
int val;
int err = 0;
- if(optlen<sizeof(int))
+ if (optlen<sizeof(int))
return -EINVAL;
if (get_user(val, (int __user *)optval))
return -EFAULT;
- switch(optname) {
+ switch (optname) {
case UDP_CORK:
if (val != 0) {
up->corkflag = 1;
@@ -1379,7 +1380,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
default:
err = -ENOPROTOOPT;
break;
- };
+ }
return err;
}
@@ -1410,15 +1411,15 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname,
struct udp_sock *up = udp_sk(sk);
int val, len;
- if(get_user(len,optlen))
+ if (get_user(len,optlen))
return -EFAULT;
len = min_t(unsigned int, len, sizeof(int));
- if(len < 0)
+ if (len < 0)
return -EINVAL;
- switch(optname) {
+ switch (optname) {
case UDP_CORK:
val = up->corkflag;
break;
@@ -1439,11 +1440,11 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname,
default:
return -ENOPROTOOPT;
- };
+ }
- if(put_user(len, optlen))
+ if (put_user(len, optlen))
return -EFAULT;
- if(copy_to_user(optval, &val,len))
+ if (copy_to_user(optval, &val,len))
return -EFAULT;
return 0;
}
@@ -1575,7 +1576,7 @@ static struct sock *udp_get_idx(struct seq_file *seq, loff_t pos)
struct sock *sk = udp_get_first(seq);
if (sk)
- while(pos && (sk = udp_get_next(seq, sk)) != NULL)
+ while (pos && (sk = udp_get_next(seq, sk)) != NULL)
--pos;
return pos ? NULL : sk;
}
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