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ip6_tunnel: Fix the type of functions

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Functions ip6_tnl_change, ip6_tnl_update and ip6_tnl0_update do always
return 0, change the type of functions to void.

Signed-off-by: Hongbin Wang <wh_bin@126.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hongbin Wang 2022-08-11 23:38:33 -04:00 committed by David S. Miller
parent 246bbf2f97
commit 7778856731
1 changed files with 8 additions and 11 deletions
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19
net/ipv6/ip6_tunnel.c
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@ -1517,7 +1517,7 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
* ip6_tnl_change() updates the tunnel parameters
**/
static int
static void
ip6_tnl_change(struct ip6_tnl *t, const struct __ip6_tnl_parm *p)
{
t->parms.laddr = p->laddr;
@ -1531,29 +1531,25 @@ ip6_tnl_change(struct ip6_tnl *t, const struct __ip6_tnl_parm *p)
t->parms.fwmark = p->fwmark;
dst_cache_reset(&t->dst_cache);
ip6_tnl_link_config(t);
return 0;
}
static int ip6_tnl_update(struct ip6_tnl *t, struct __ip6_tnl_parm *p)
static void ip6_tnl_update(struct ip6_tnl *t, struct __ip6_tnl_parm *p)
{
struct net *net = t->net;
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
int err;
ip6_tnl_unlink(ip6n, t);
synchronize_net();
err = ip6_tnl_change(t, p);
ip6_tnl_change(t, p);
ip6_tnl_link(ip6n, t);
netdev_state_change(t->dev);
return err;
}
static int ip6_tnl0_update(struct ip6_tnl *t, struct __ip6_tnl_parm *p)
static void ip6_tnl0_update(struct ip6_tnl *t, struct __ip6_tnl_parm *p)
{
/* for default tnl0 device allow to change only the proto */
t->parms.proto = p->proto;
netdev_state_change(t->dev);
return 0;
}
static void
@ -1667,9 +1663,9 @@ ip6_tnl_siocdevprivate(struct net_device *dev, struct ifreq *ifr,
} else
t = netdev_priv(dev);
if (dev == ip6n->fb_tnl_dev)
err = ip6_tnl0_update(t, &p1);
ip6_tnl0_update(t, &p1);
else
err = ip6_tnl_update(t, &p1);
ip6_tnl_update(t, &p1);
}
if (!IS_ERR(t)) {
err = 0;
@ -2091,7 +2087,8 @@ static int ip6_tnl_changelink(struct net_device *dev, struct nlattr *tb[],
} else
t = netdev_priv(dev);
return ip6_tnl_update(t, &p);
ip6_tnl_update(t, &p);
return 0;
}
static void ip6_tnl_dellink(struct net_device *dev, struct list_head *head)