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authorWang Chen <wangchen@cn.fujitsu.com>2007-12-03 22:34:16 +1100
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:55:48 -0800
commitb2bf1e2659b1cba5e65f81781cfd530be447f80b (patch)
treed7c3d2c10fe747a4d4ad7a54732e1d8e737c7556 /net/ipv4
parentcb75994ec311b2cd50e5205efdcc0696abd6675d (diff)
[UDP]: Clean up for IS_UDPLITE macro
Since we have macro IS_UDPLITE, we can use it. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/udp.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 3465d4ad301..5e67e324529 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -471,6 +471,7 @@ static int udp_push_pending_frames(struct sock *sk)
struct sk_buff *skb;
struct udphdr *uh;
int err = 0;
+ int is_udplite = IS_UDPLITE(sk);
__wsum csum = 0;
/* Grab the skbuff where UDP header space exists. */
@@ -486,7 +487,7 @@ static int udp_push_pending_frames(struct sock *sk)
uh->len = htons(up->len);
uh->check = 0;
- if (up->pcflag) /* UDP-Lite */
+ if (is_udplite) /* UDP-Lite */
csum = udplite_csum_outgoing(sk, skb);
else if (sk->sk_no_check == UDP_CSUM_NOXMIT) { /* UDP csum disabled */
@@ -514,7 +515,7 @@ out:
up->len = 0;
up->pending = 0;
if (!err)
- UDP_INC_STATS_USER(UDP_MIB_OUTDATAGRAMS, up->pcflag);
+ UDP_INC_STATS_USER(UDP_MIB_OUTDATAGRAMS, is_udplite);
return err;
}
@@ -531,7 +532,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
__be32 daddr, faddr, saddr;
__be16 dport;
u8 tos;
- int err, is_udplite = up->pcflag;
+ int err, is_udplite = IS_UDPLITE(sk);
int corkreq = up->corkflag || msg->msg_flags&MSG_MORE;
int (*getfrag)(void *, char *, int, int, int, struct sk_buff *);
@@ -942,6 +943,7 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
{
struct udp_sock *up = udp_sk(sk);
int rc;
+ int is_udplite = IS_UDPLITE(sk);
/*
* Charge it to the socket, dropping if the queue is full.
@@ -978,7 +980,7 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
/*
* UDP-Lite specific tests, ignored on UDP sockets
*/
- if ((up->pcflag & UDPLITE_RECV_CC) && UDP_SKB_CB(skb)->partial_cov) {
+ if ((is_udplite & UDPLITE_RECV_CC) && UDP_SKB_CB(skb)->partial_cov) {
/*
* MIB statistics other than incrementing the error count are
@@ -1019,14 +1021,14 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
if ((rc = sock_queue_rcv_skb(sk,skb)) < 0) {
/* Note that an ENOMEM error is charged twice */
if (rc == -ENOMEM)
- UDP_INC_STATS_BH(UDP_MIB_RCVBUFERRORS, up->pcflag);
+ UDP_INC_STATS_BH(UDP_MIB_RCVBUFERRORS, is_udplite);
goto drop;
}
return 0;
drop:
- UDP_INC_STATS_BH(UDP_MIB_INERRORS, up->pcflag);
+ UDP_INC_STATS_BH(UDP_MIB_INERRORS, is_udplite);
kfree_skb(skb);
return -1;
}
@@ -1235,6 +1237,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
struct udp_sock *up = udp_sk(sk);
int val;
int err = 0;
+ int is_udplite = IS_UDPLITE(sk);
if (optlen<sizeof(int))
return -EINVAL;
@@ -1276,7 +1279,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
/* The sender sets actual checksum coverage length via this option.
* The case coverage > packet length is handled by send module. */
case UDPLITE_SEND_CSCOV:
- if (!up->pcflag) /* Disable the option on UDP sockets */
+ if (!is_udplite) /* Disable the option on UDP sockets */
return -ENOPROTOOPT;
if (val != 0 && val < 8) /* Illegal coverage: use default (8) */
val = 8;
@@ -1288,7 +1291,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
* sense, this should be set to at least 8 (as done below). If zero is
* used, this again means full checksum coverage. */
case UDPLITE_RECV_CSCOV:
- if (!up->pcflag) /* Disable the option on UDP sockets */
+ if (!is_udplite) /* Disable the option on UDP sockets */
return -ENOPROTOOPT;
if (val != 0 && val < 8) /* Avoid silly minimal values. */
val = 8;