tun: remove unused parameter in tun_do_read()

Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 5ac2877..6b0b2a0 100644 (file)
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1289,8 +1289,7 @@ done:
 }
 
 static ssize_t tun_do_read(struct tun_struct *tun, struct tun_file *tfile,
-                          struct kiocb *iocb, const struct iovec *iv,
-                          ssize_t len, int noblock)
+                          const struct iovec *iv, ssize_t len, int noblock)
 {
        DECLARE_WAITQUEUE(wait, current);
        struct sk_buff *skb;
@@ -1353,7 +1352,7 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv,
                goto out;
        }
 
-       ret = tun_do_read(tun, tfile, iocb, iv, len,
+       ret = tun_do_read(tun, tfile, iv, len,
                          file->f_flags & O_NONBLOCK);
        ret = min_t(ssize_t, ret, len);
 out:
@@ -1452,7 +1451,7 @@ static int tun_recvmsg(struct kiocb *iocb, struct socket *sock,
                                         SOL_PACKET, TUN_TX_TIMESTAMP);
                goto out;
        }
-       ret = tun_do_read(tun, tfile, iocb, m->msg_iov, total_len,
+       ret = tun_do_read(tun, tfile, m->msg_iov, total_len,
                          flags & MSG_DONTWAIT);
        if (ret > total_len) {
                m->msg_flags |= MSG_TRUNC;