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authorBjørn Mork <bjorn@mork.no>2015-12-04 14:15:08 +0100
committerDavid S. Miller <davem@davemloft.net>2015-12-05 18:09:46 -0500
commit9a1ec4612c9bfc94d4185e3459055a37a685e575 (patch)
tree0b6b206c50d585e9166b180d8b38b3a2eebe58fb /net/ipv6/addrconf.c
parentae79a639bb3dfd168dc8c1e5d6dfc471bdf6f284 (diff)
downloadlinux-9a1ec4612c9bfc94d4185e3459055a37a685e575.tar.gz
ipv6: keep existing flags when setting IFA_F_OPTIMISTIC
Commit 64236f3f3d74 ("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: 64236f3f3d74 ("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>
Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 61f26851655c..a57d3d17a620 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -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