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>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 5ac2877a89c3..6b0b2a057a47 100644
--- 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;