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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-02 07:46:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-02 07:46:18 -0700 |
| commit | 2f819ae8816990aaad46dd6d1748a096d136df68 (patch) | |
| tree | 65891bf45d2d0e4e7884c4cc69beb9c27b67be95 /net/ipv6/addrconf.c | |
| parent | d40c2f29f3b0f5937bace575722598dac474c478 (diff) | |
| parent | 802fb176d8c635ae42da31b80841c26e8c7338a0 (diff) | |
| download | kernel_samsung_smdk4412-2f819ae8816990aaad46dd6d1748a096d136df68.zip kernel_samsung_smdk4412-2f819ae8816990aaad46dd6d1748a096d136df68.tar.gz kernel_samsung_smdk4412-2f819ae8816990aaad46dd6d1748a096d136df68.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (45 commits)
[VLAN]: Proc entry is not renamed when vlan device name changes.
[IPV6]: Fix ICMP relookup error path dst leak
[ATM] drivers/atm/iphase.c: compilation warning fix
IPv6: do not create temporary adresses with too short preferred lifetime
IPv6: only update the lifetime of the relevant temporary address
bluetooth : __rfcomm_dlc_close lock fix
bluetooth : use lockdep sub-classes for diffrent bluetooth protocol
[ROSE/AX25] af_rose: rose_release() fix
mac80211: correct use_short_preamble handling
b43: Fix PCMCIA IRQ routing
b43: Add DMA mapping failure messages
mac80211: trigger ieee80211_sta_work after opening interface
[LLC]: skb allocation size for responses
[IP] UDP: Use SEQ_START_TOKEN.
[NET]: Remove Documentation/networking/sk98lin.txt
[ATM] atm/idt77252.c: Make 2 functions static
[ATM]: Make atm/he.c:read_prom_byte() static
[IPV6] MCAST: Ensure to check multicast listener(s).
[LLC]: Kill llc_station_mac_sa symbol export.
forcedeth: fix locking bug with netconsole
...
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 101e0e7..e7a1882 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -776,6 +776,7 @@ static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, struct inet6_ifaddr *i struct inet6_dev *idev = ifp->idev; struct in6_addr addr, *tmpaddr; unsigned long tmp_prefered_lft, tmp_valid_lft, tmp_cstamp, tmp_tstamp; + unsigned long regen_advance; int tmp_plen; int ret = 0; int max_addresses; @@ -836,8 +837,23 @@ retry: tmp_tstamp = ifp->tstamp; spin_unlock_bh(&ifp->lock); + regen_advance = idev->cnf.regen_max_retry * + idev->cnf.dad_transmits * + idev->nd_parms->retrans_time / HZ; write_unlock(&idev->lock); + /* A temporary address is created only if this calculated Preferred + * Lifetime is greater than REGEN_ADVANCE time units. In particular, + * an implementation must not create a temporary address with a zero + * Preferred Lifetime. + */ + if (tmp_prefered_lft <= regen_advance) { + in6_ifa_put(ifp); + in6_dev_put(idev); + ret = -1; + goto out; + } + addr_flags = IFA_F_TEMPORARY; /* set in addrconf_prefix_rcv() */ if (ifp->flags & IFA_F_OPTIMISTIC) @@ -1831,6 +1847,9 @@ ok: * lifetimes of an existing temporary address * when processing a Prefix Information Option. */ + if (ifp != ift->ifpub) + continue; + spin_lock(&ift->lock); flags = ift->flags; if (ift->valid_lft > valid_lft && |