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ipv6: keep existing flags when setting IFA_F_OPTIMISTIC 

Commit 64236f3f3d ("ipv6: introduce IFA_F_STABLE_PRIVACY flag")
failed to update the setting of the IFA_F_OPTIMISTIC flag, causing
the IFA_F_STABLE_PRIVACY flag to be lost if IFA_F_OPTIMISTIC is set.

Cc: Erik Kline <ek@google.com>
Cc: Fernando Gont <fgont@si6networks.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Cc: YOSHIFUJI Hideaki/吉藤英明 <hideaki.yoshifuji@miraclelinux.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Fixes: 64236f3f3d ("ipv6: introduce IFA_F_STABLE_PRIVACY flag")
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Bjørn Mork 2015-12-04 14:15:08 +01:00 committed by David S. Miller
parent ae79a639bb
commit 9a1ec4612c
1 changed files with 1 additions and 1 deletions
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2
net/ipv6/addrconf.c
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@ -2455,7 +2455,7 @@ ok:
#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
if (in6_dev->cnf.optimistic_dad &&
!net->ipv6.devconf_all->forwarding && sllao)
addr_flags = IFA_F_OPTIMISTIC;
addr_flags |= IFA_F_OPTIMISTIC;
#endif
/* Do not allow to create too much of autoconfigured