Commit 9484dc74 authored by yuan linyu's avatar yuan linyu Committed by David S. Miller
Browse files

tun: delete original tun_get() and rename __tun_get() to tun_get() 



it seems no need to keep tun_get() and __tun_get() at same time.

Signed-off-by: default avataryuan linyu <Linyu.Yuan@alcatel-sbell.com.cn>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ba581f77

drivers/net/tun.c

+11 −15
Original line number Diff line number Diff line
@@ -774,7 +774,7 @@ static int tun_attach(struct tun_struct *tun, struct file *file, 
	return err;

}



static struct tun_struct *__tun_get(struct tun_file *tfile)

static struct tun_struct *tun_get(struct tun_file *tfile)

{

	struct tun_struct *tun;
@@ -787,11 +787,6 @@ static struct tun_struct *__tun_get(struct tun_file *tfile) 
	return tun;

}



static struct tun_struct *tun_get(struct file *file)

{

	return __tun_get(file->private_data);

}



static void tun_put(struct tun_struct *tun)

{

	dev_put(tun->dev);
@@ -1250,7 +1245,7 @@ static void tun_net_init(struct net_device *dev) 
static unsigned int tun_chr_poll(struct file *file, poll_table *wait)

{

	struct tun_file *tfile = file->private_data;

	struct tun_struct *tun = __tun_get(tfile);

	struct tun_struct *tun = tun_get(tfile);

	struct sock *sk;

	unsigned int mask = 0;
@@ -1784,8 +1779,8 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, 
static ssize_t tun_chr_write_iter(struct kiocb *iocb, struct iov_iter *from)

{

	struct file *file = iocb->ki_filp;

	struct tun_struct *tun = tun_get(file);

	struct tun_file *tfile = file->private_data;

	struct tun_struct *tun = tun_get(tfile);

	ssize_t result;



	if (!tun)
@@ -1969,7 +1964,7 @@ static ssize_t tun_chr_read_iter(struct kiocb *iocb, struct iov_iter *to) 
{

	struct file *file = iocb->ki_filp;

	struct tun_file *tfile = file->private_data;

	struct tun_struct *tun = __tun_get(tfile);

	struct tun_struct *tun = tun_get(tfile);

	ssize_t len = iov_iter_count(to), ret;



	if (!tun)
@@ -2046,7 +2041,7 @@ static int tun_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len) 
{

	int ret;

	struct tun_file *tfile = container_of(sock, struct tun_file, socket);

	struct tun_struct *tun = __tun_get(tfile);

	struct tun_struct *tun = tun_get(tfile);



	if (!tun)

		return -EBADFD;
@@ -2062,7 +2057,7 @@ static int tun_recvmsg(struct socket *sock, struct msghdr *m, size_t total_len, 
		       int flags)

{

	struct tun_file *tfile = container_of(sock, struct tun_file, socket);

	struct tun_struct *tun = __tun_get(tfile);

	struct tun_struct *tun = tun_get(tfile);

	int ret;



	if (!tun)
@@ -2094,7 +2089,7 @@ static int tun_peek_len(struct socket *sock) 
	struct tun_struct *tun;

	int ret = 0;



	tun = __tun_get(tfile);

	tun = tun_get(tfile);

	if (!tun)

		return 0;
@@ -2490,7 +2485,7 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, 
	ret = 0;

	rtnl_lock();



	tun = __tun_get(tfile);

	tun = tun_get(tfile);

	if (cmd == TUNSETIFF) {

		ret = -EEXIST;

		if (tun)
@@ -2837,15 +2832,16 @@ static int tun_chr_close(struct inode *inode, struct file *file) 
}



#ifdef CONFIG_PROC_FS

static void tun_chr_show_fdinfo(struct seq_file *m, struct file *f)

static void tun_chr_show_fdinfo(struct seq_file *m, struct file *file)

{

	struct tun_file *tfile = file->private_data;

	struct tun_struct *tun;

	struct ifreq ifr;



	memset(&ifr, 0, sizeof(ifr));



	rtnl_lock();

	tun = tun_get(f);

	tun = tun_get(tfile);

	if (tun)

		tun_get_iff(current->nsproxy->net_ns, tun, &ifr);

	rtnl_unlock();