[RTNL]: Add missing link netlink attribute policy definitions
authorThomas Graf <tgraf@suug.ch>
Wed, 20 Feb 2008 00:12:08 +0000 (16:12 -0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 20 Feb 2008 00:12:08 +0000 (16:12 -0800)
IFLA_LINK is no longer a write-only attribute on the kernel side and
must thus be validated. Same goes for the newly introduced
IFLA_LINKINFO.

Fixes undefined behaviour if either of the attributes are not well
formed.

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

index 61ac8d06292ce32b2dbe46e92f69f50bd327c398..e170179cc66fe4fbeb2cdc9907ec1a7c5a43a207 100644 (file)
@@ -689,10 +689,12 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = {
        [IFLA_BROADCAST]        = { .type = NLA_BINARY, .len = MAX_ADDR_LEN },
        [IFLA_MAP]              = { .len = sizeof(struct rtnl_link_ifmap) },
        [IFLA_MTU]              = { .type = NLA_U32 },
+       [IFLA_LINK]             = { .type = NLA_U32 },
        [IFLA_TXQLEN]           = { .type = NLA_U32 },
        [IFLA_WEIGHT]           = { .type = NLA_U32 },
        [IFLA_OPERSTATE]        = { .type = NLA_U8 },
        [IFLA_LINKMODE]         = { .type = NLA_U8 },
+       [IFLA_LINKINFO]         = { .type = NLA_NESTED },
        [IFLA_NET_NS_PID]       = { .type = NLA_U32 },
 };