[NETLINK]: Make use of NLA_STRING/NLA_NUL_STRING attribute validation

Converts existing NLA_STRING attributes to use the new
validation features, saving a couple of temporary buffers.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 280f424ca9c..52b2adae4f2 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -179,7 +179,7 @@ static struct fib_table *fib_empty_table(void)
 }
 
 static struct nla_policy fib4_rule_policy[FRA_MAX+1] __read_mostly = {
-        [FRA_IFNAME]    = { .type = NLA_STRING },
+        [FRA_IFNAME]    = { .type = NLA_STRING, .len = IFNAMSIZ - 1 },
         [FRA_PRIORITY]  = { .type = NLA_U32 },
         [FRA_SRC]       = { .type = NLA_U32 },
         [FRA_DST]       = { .type = NLA_U32 },