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authorThomas Graf <tgraf@suug.ch>2008-02-19 19:12:08 -0500
committerDavid S. Miller <davem@davemloft.net>2008-02-19 19:12:08 -0500
commit76e87306c2de2a581ec939cf9c97cd18d053f90e (patch)
tree8cf18502d8934112930a8cb2ba89de28b9ab394d /net/core
parent12aa343add3eced38a44bdb612b35fdf634d918c (diff)
[RTNL]: Add missing link netlink attribute policy definitions
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>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/rtnetlink.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 61ac8d06292c..e170179cc66f 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -689,10 +689,12 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = {
689 [IFLA_BROADCAST] = { .type = NLA_BINARY, .len = MAX_ADDR_LEN }, 689 [IFLA_BROADCAST] = { .type = NLA_BINARY, .len = MAX_ADDR_LEN },
690 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) }, 690 [IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
691 [IFLA_MTU] = { .type = NLA_U32 }, 691 [IFLA_MTU] = { .type = NLA_U32 },
692 [IFLA_LINK] = { .type = NLA_U32 },
692 [IFLA_TXQLEN] = { .type = NLA_U32 }, 693 [IFLA_TXQLEN] = { .type = NLA_U32 },
693 [IFLA_WEIGHT] = { .type = NLA_U32 }, 694 [IFLA_WEIGHT] = { .type = NLA_U32 },
694 [IFLA_OPERSTATE] = { .type = NLA_U8 }, 695 [IFLA_OPERSTATE] = { .type = NLA_U8 },
695 [IFLA_LINKMODE] = { .type = NLA_U8 }, 696 [IFLA_LINKMODE] = { .type = NLA_U8 },
697 [IFLA_LINKINFO] = { .type = NLA_NESTED },
696 [IFLA_NET_NS_PID] = { .type = NLA_U32 }, 698 [IFLA_NET_NS_PID] = { .type = NLA_U32 },
697}; 699};
698 700