ip6_tunnel: Fix the type of functions

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

View File

@ -1517,7 +1517,7 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
* ip6_tnl_change() updates the tunnel parameters * ip6_tnl_change() updates the tunnel parameters
**/ **/
static int static void
ip6_tnl_change(struct ip6_tnl *t, const struct __ip6_tnl_parm *p) ip6_tnl_change(struct ip6_tnl *t, const struct __ip6_tnl_parm *p)
{ {
t->parms.laddr = p->laddr; 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; t->parms.fwmark = p->fwmark;
dst_cache_reset(&t->dst_cache); dst_cache_reset(&t->dst_cache);
ip6_tnl_link_config(t); 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 net *net = t->net;
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id); struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
int err;
ip6_tnl_unlink(ip6n, t); ip6_tnl_unlink(ip6n, t);
synchronize_net(); synchronize_net();
err = ip6_tnl_change(t, p); ip6_tnl_change(t, p);
ip6_tnl_link(ip6n, t); ip6_tnl_link(ip6n, t);
netdev_state_change(t->dev); 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 */ /* for default tnl0 device allow to change only the proto */
t->parms.proto = p->proto; t->parms.proto = p->proto;
netdev_state_change(t->dev); netdev_state_change(t->dev);
return 0;
} }
static void static void
@ -1667,9 +1663,9 @@ ip6_tnl_siocdevprivate(struct net_device *dev, struct ifreq *ifr,
} else } else
t = netdev_priv(dev); t = netdev_priv(dev);
if (dev == ip6n->fb_tnl_dev) if (dev == ip6n->fb_tnl_dev)
err = ip6_tnl0_update(t, &p1); ip6_tnl0_update(t, &p1);
else else
err = ip6_tnl_update(t, &p1); ip6_tnl_update(t, &p1);
} }
if (!IS_ERR(t)) { if (!IS_ERR(t)) {
err = 0; err = 0;
@ -2091,7 +2087,8 @@ static int ip6_tnl_changelink(struct net_device *dev, struct nlattr *tb[],
} else } else
t = netdev_priv(dev); 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) static void ip6_tnl_dellink(struct net_device *dev, struct list_head *head)