summaryrefslogtreecommitdiffstats
path: root/net/ipv4/ipmr.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:55:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:55:01 -0800
commitd7fc02c7bae7b1cf69269992cf880a43a350cdaa (patch)
treea43d56fa72913a1cc98a0bbebe054d08581b3a7c /net/ipv4/ipmr.c
parentee1262dbc65ce0b6234a915d8432171e8d77f518 (diff)
parent28b4d5cc17c20786848cdc07b7ea237a309776bb (diff)
downloadlinux-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.tar.gz
linux-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.tar.bz2
linux-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1815 commits) mac80211: fix reorder buffer release iwmc3200wifi: Enable wimax core through module parameter iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter iwmc3200wifi: Coex table command does not expect a response iwmc3200wifi: Update wiwi priority table iwlwifi: driver version track kernel version iwlwifi: indicate uCode type when fail dump error/event log iwl3945: remove duplicated event logging code b43: fix two warnings ipw2100: fix rebooting hang with driver loaded cfg80211: indent regulatory messages with spaces iwmc3200wifi: fix NULL pointer dereference in pmkid update mac80211: Fix TX status reporting for injected data frames ath9k: enable 2GHz band only if the device supports it airo: Fix integer overflow warning rt2x00: Fix padding bug on L2PAD devices. WE: Fix set events not propagated b43legacy: avoid PPC fault during resume b43: avoid PPC fault during resume tcp: fix a timewait refcnt race ... Fix up conflicts due to sysctl cleanups (dead sysctl_check code and CTL_UNNUMBERED removed) in kernel/sysctl_check.c net/ipv4/sysctl_net_ipv4.c net/ipv6/addrconf.c net/sctp/sysctl.c
Diffstat (limited to 'net/ipv4/ipmr.c')
-rw-r--r--net/ipv4/ipmr.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 99508d66a642..54596f73eff5 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -275,7 +275,8 @@ failure:
* @notify: Set to 1, if the caller is a notifier_call
*/
-static int vif_delete(struct net *net, int vifi, int notify)
+static int vif_delete(struct net *net, int vifi, int notify,
+ struct list_head *head)
{
struct vif_device *v;
struct net_device *dev;
@@ -319,7 +320,7 @@ static int vif_delete(struct net *net, int vifi, int notify)
}
if (v->flags&(VIFF_TUNNEL|VIFF_REGISTER) && !notify)
- unregister_netdevice(dev);
+ unregister_netdevice_queue(dev, head);
dev_put(dev);
return 0;
@@ -469,8 +470,18 @@ static int vif_add(struct net *net, struct vifctl *vifc, int mrtsock)
return err;
}
break;
+
+ case VIFF_USE_IFINDEX:
case 0:
- dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr);
+ if (vifc->vifc_flags == VIFF_USE_IFINDEX) {
+ dev = dev_get_by_index(net, vifc->vifc_lcl_ifindex);
+ if (dev && dev->ip_ptr == NULL) {
+ dev_put(dev);
+ return -EADDRNOTAVAIL;
+ }
+ } else
+ dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr);
+
if (!dev)
return -EADDRNOTAVAIL;
err = dev_set_allmulti(dev, 1);
@@ -862,14 +873,16 @@ static int ipmr_mfc_add(struct net *net, struct mfcctl *mfc, int mrtsock)
static void mroute_clean_tables(struct net *net)
{
int i;
+ LIST_HEAD(list);
/*
* Shut down all active vif entries
*/
for (i = 0; i < net->ipv4.maxvif; i++) {
if (!(net->ipv4.vif_table[i].flags&VIFF_STATIC))
- vif_delete(net, i, 0);
+ vif_delete(net, i, 0, &list);
}
+ unregister_netdevice_many(&list);
/*
* Wipe the cache
@@ -948,7 +961,7 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi
switch (optname) {
case MRT_INIT:
if (sk->sk_type != SOCK_RAW ||
- inet_sk(sk)->num != IPPROTO_IGMP)
+ inet_sk(sk)->inet_num != IPPROTO_IGMP)
return -EOPNOTSUPP;
if (optlen != sizeof(int))
return -ENOPROTOOPT;
@@ -985,7 +998,7 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi
if (optname == MRT_ADD_VIF) {
ret = vif_add(net, &vif, sk == net->ipv4.mroute_sk);
} else {
- ret = vif_delete(net, vif.vifc_vifi, 0);
+ ret = vif_delete(net, vif.vifc_vifi, 0, NULL);
}
rtnl_unlock();
return ret;
@@ -1148,6 +1161,7 @@ static int ipmr_device_event(struct notifier_block *this, unsigned long event, v
struct net *net = dev_net(dev);
struct vif_device *v;
int ct;
+ LIST_HEAD(list);
if (!net_eq(dev_net(dev), net))
return NOTIFY_DONE;
@@ -1157,8 +1171,9 @@ static int ipmr_device_event(struct notifier_block *this, unsigned long event, v
v = &net->ipv4.vif_table[0];
for (ct = 0; ct < net->ipv4.maxvif; ct++, v++) {
if (v->dev == dev)
- vif_delete(net, ct, 1);
+ vif_delete(net, ct, 1, &list);
}
+ unregister_netdevice_many(&list);
return NOTIFY_DONE;
}