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tun: change tun_get_iff() prototype. 

This patch changes tun_get_iff() prototype to return void as it never fails.

Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rami Rosen 2012-11-23 03:58:10 +00:00 committed by David S. Miller
parent 319b95b5f4
commit 9ce99cf6dc
1 changed files with 2 additions and 5 deletions
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7
drivers/net/tun.c
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@ -1662,7 +1662,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
return err;
}
static int tun_get_iff(struct net *net, struct tun_struct *tun,
static void tun_get_iff(struct net *net, struct tun_struct *tun,
struct ifreq *ifr)
{
tun_debug(KERN_INFO, tun, "tun_get_iff\n");
@ -1671,7 +1671,6 @@ static int tun_get_iff(struct net *net, struct tun_struct *tun,
ifr->ifr_flags = tun_flags(tun);
return 0;
}
/* This is like a cut-down ethtool ops, except done via tun fd so no
@ -1847,9 +1846,7 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd,
ret = 0;
switch (cmd) {
case TUNGETIFF:
ret = tun_get_iff(current->nsproxy->net_ns, tun, &ifr);
if (ret)
break;
tun_get_iff(current->nsproxy->net_ns, tun, &ifr);
if (copy_to_user(argp, &ifr, ifreq_len))
ret = -EFAULT;