diff options
| -rw-r--r-- | net/ipv6/ip6mr.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 2dd832592a31..0b41aa2675f5 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -443,6 +443,7 @@ static struct net_device *ip6mr_reg_vif(void) if (dev_open(dev)) goto failure; + dev_hold(dev); return dev; failure: @@ -616,6 +617,7 @@ static int mif6_add(struct mif6ctl *vifc, int mrtsock) err = dev_set_allmulti(dev, 1); if (err) { unregister_netdevice(dev); + dev_put(dev); return err; } break; @@ -624,10 +626,11 @@ static int mif6_add(struct mif6ctl *vifc, int mrtsock) dev = dev_get_by_index(&init_net, vifc->mif6c_pifi); if (!dev) return -EADDRNOTAVAIL; - dev_put(dev); err = dev_set_allmulti(dev, 1); - if (err) + if (err) { + dev_put(dev); return err; + } break; default: return -EINVAL; @@ -651,7 +654,6 @@ static int mif6_add(struct mif6ctl *vifc, int mrtsock) /* And finish update writing critical data */ write_lock_bh(&mrt_lock); - dev_hold(dev); v->dev = dev; #ifdef CONFIG_IPV6_PIMSM_V2 if (v->flags & MIFF_REGISTER) |