diff options
Diffstat (limited to 'net/ipv6/ndisc.c')
| -rw-r--r-- | net/ipv6/ndisc.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 3e29708..9f061d1 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1095,11 +1095,7 @@ static void ndisc_ra_useropt(struct sk_buff *ra, struct nd_opt_hdr *opt) &ipv6_hdr(ra)->saddr); nlmsg_end(skb, nlh); - err = rtnl_notify(skb, net, 0, RTNLGRP_ND_USEROPT, NULL, - GFP_ATOMIC); - if (err < 0) - goto errout; - + rtnl_notify(skb, net, 0, RTNLGRP_ND_USEROPT, NULL, GFP_ATOMIC); return; nla_put_failure: @@ -1538,13 +1534,10 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh, if (rt->rt6i_flags & RTF_GATEWAY) { ND_PRINTK2(KERN_WARNING "ICMPv6 Redirect: destination is not a neighbour.\n"); - dst_release(dst); - return; - } - if (!xrlim_allow(dst, 1*HZ)) { - dst_release(dst); - return; + goto release; } + if (!xrlim_allow(dst, 1*HZ)) + goto release; if (dev->addr_len) { read_lock_bh(&neigh->lock); @@ -1570,8 +1563,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh, ND_PRINTK0(KERN_ERR "ICMPv6 Redirect: %s() failed to allocate an skb.\n", __func__); - dst_release(dst); - return; + goto release; } skb_reserve(buff, LL_RESERVED_SPACE(dev)); @@ -1631,6 +1623,10 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh, if (likely(idev != NULL)) in6_dev_put(idev); + return; + +release: + dst_release(dst); } static void pndisc_redo(struct sk_buff *skb) |