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net/ipv6: reserve room for IFLA_INET6_ADDR_GEN_MODE

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inet6_ifla6_size() is called to check how much space is needed by
inet6_fill_link_af() and inet6_fill_ifinfo(), both of which include
the IFLA_INET6_ADDR_GEN_MODE attribute. Reserve some room for it.

Fixes: bc91b0f07a ("ipv6: addrconf: implement address generation modes")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sabrina Dubroca 2018-07-09 12:25:16 +02:00 committed by David S. Miller
parent 70c30d76e5
commit bdd72f4133
1 changed files with 3 additions and 1 deletions
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4
net/ipv6/addrconf.c
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@ -5208,7 +5208,9 @@ static inline size_t inet6_ifla6_size(void)
+ nla_total_size(DEVCONF_MAX * 4) /* IFLA_INET6_CONF */
+ nla_total_size(IPSTATS_MIB_MAX * 8) /* IFLA_INET6_STATS */
+ nla_total_size(ICMP6_MIB_MAX * 8) /* IFLA_INET6_ICMP6STATS */
+ nla_total_size(sizeof(struct in6_addr)); /* IFLA_INET6_TOKEN */
+ nla_total_size(sizeof(struct in6_addr)) /* IFLA_INET6_TOKEN */
+ nla_total_size(1) /* IFLA_INET6_ADDR_GEN_MODE */
+ 0;
}
static inline size_t inet6_if_nlmsg_size(void)