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net/socket.c : introduce helper function do_sock_sendmsg to replace reduplicate code 

Introduce helper function do_sock_sendmsg() to simplify sock_sendmsg{_nosec},
and replace reduplicate code.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gu Zheng 2014-12-05 15:14:23 +08:00 committed by David S. Miller
parent 42eef7a0bb
commit 0cf00c6f36
1 changed files with 10 additions and 12 deletions
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22
net/socket.c
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@ -651,7 +651,8 @@ static inline int __sock_sendmsg(struct kiocb *iocb, struct socket *sock,
return err ?: __sock_sendmsg_nosec(iocb, sock, msg, size);
}
int sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
static int do_sock_sendmsg(struct socket *sock, struct msghdr *msg,
size_t size, bool nosec)
{
struct kiocb iocb;
struct sock_iocb siocb;
@ -659,25 +660,22 @@ int sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
init_sync_kiocb(&iocb, NULL);
iocb.private = &siocb;
ret = __sock_sendmsg(&iocb, sock, msg, size);
ret = nosec ? __sock_sendmsg_nosec(&iocb, sock, msg, size) :
__sock_sendmsg(&iocb, sock, msg, size);
if (-EIOCBQUEUED == ret)
ret = wait_on_sync_kiocb(&iocb);
return ret;
}
int sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
{
return do_sock_sendmsg(sock, msg, size, false);
}
EXPORT_SYMBOL(sock_sendmsg);
static int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg, size_t size)
{
struct kiocb iocb;
struct sock_iocb siocb;
int ret;
init_sync_kiocb(&iocb, NULL);
iocb.private = &siocb;
ret = __sock_sendmsg_nosec(&iocb, sock, msg, size);
if (-EIOCBQUEUED == ret)
ret = wait_on_sync_kiocb(&iocb);
return ret;
return do_sock_sendmsg(sock, msg, size, true);
}
int kernel_sendmsg(struct socket *sock, struct msghdr *msg,