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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>
This commit is contained in:
Zhi Yong Wu 2013-12-07 04:13:06 +08:00 committed by David S. Miller
parent 55ec8e25cd
commit f96eb74c84
1 changed files with 3 additions and 4 deletions
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7
drivers/net/tun.c
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@ -1289,8 +1289,7 @@ done:
} }
static ssize_t tun_do_read(struct tun_struct *tun, struct tun_file *tfile, static ssize_t tun_do_read(struct tun_struct *tun, struct tun_file *tfile,
struct kiocb *iocb, const struct iovec *iv, const struct iovec *iv, ssize_t len, int noblock)
ssize_t len, int noblock)
{ {
DECLARE_WAITQUEUE(wait, current); DECLARE_WAITQUEUE(wait, current);
struct sk_buff *skb; struct sk_buff *skb;
@ -1353,7 +1352,7 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv,
goto out; goto out;
} }
ret = tun_do_read(tun, tfile, iocb, iv, len, ret = tun_do_read(tun, tfile, iv, len,
file->f_flags & O_NONBLOCK); file->f_flags & O_NONBLOCK);
ret = min_t(ssize_t, ret, len); ret = min_t(ssize_t, ret, len);
out: out:
@ -1452,7 +1451,7 @@ static int tun_recvmsg(struct kiocb *iocb, struct socket *sock,
SOL_PACKET, TUN_TX_TIMESTAMP); SOL_PACKET, TUN_TX_TIMESTAMP);
goto out; 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); flags & MSG_DONTWAIT);
if (ret > total_len) { if (ret > total_len) {
m->msg_flags |= MSG_TRUNC; m->msg_flags |= MSG_TRUNC;