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>
diff --git a/net/socket.c b/net/socket.c
index ee3ee39..f676ac4 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -651,7 +651,8 @@
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 @@
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,