* [PATCH net-next] net: introduce nla_policy for IFLA_NEW_IFINDEX
@ 2021-04-07 6:40 Andrei Vagin
2021-04-07 18:26 ` Jakub Kicinski
2021-04-07 21:50 ` patchwork-bot+netdevbpf
0 siblings, 2 replies; 3+ messages in thread
From: Andrei Vagin @ 2021-04-07 6:40 UTC (permalink / raw)
To: Jakub Kicinski, David S. Miller, netdev; +Cc: Andrei Vagin
In this case, we don't need to check that new_ifindex is positive in
validate_linkmsg.
Fixes: eeb85a14ee34 ("net: Allow to specify ifindex when device is moved to another namespace")
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
---
net/core/rtnetlink.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d51252afde0a..9108a7e6c0c0 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1877,6 +1877,7 @@ static const struct nla_policy ifla_policy[IFLA_MAX+1] = {
.len = ALTIFNAMSIZ - 1 },
[IFLA_PERM_ADDRESS] = { .type = NLA_REJECT },
[IFLA_PROTO_DOWN_REASON] = { .type = NLA_NESTED },
+ [IFLA_NEW_IFINDEX] = NLA_POLICY_MIN(NLA_S32, 1),
};
static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
@@ -2266,9 +2267,6 @@ static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
return -EINVAL;
}
- if (tb[IFLA_NEW_IFINDEX] && nla_get_s32(tb[IFLA_NEW_IFINDEX]) <= 0)
- return -EINVAL;
-
if (tb[IFLA_AF_SPEC]) {
struct nlattr *af;
int rem, err;
--
2.29.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH net-next] net: introduce nla_policy for IFLA_NEW_IFINDEX
2021-04-07 6:40 [PATCH net-next] net: introduce nla_policy for IFLA_NEW_IFINDEX Andrei Vagin
@ 2021-04-07 18:26 ` Jakub Kicinski
2021-04-07 21:50 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: Jakub Kicinski @ 2021-04-07 18:26 UTC (permalink / raw)
To: Andrei Vagin; +Cc: David S. Miller, netdev
On Tue, 6 Apr 2021 23:40:03 -0700 Andrei Vagin wrote:
> In this case, we don't need to check that new_ifindex is positive in
> validate_linkmsg.
>
> Fixes: eeb85a14ee34 ("net: Allow to specify ifindex when device is moved to another namespace")
> Suggested-by: Jakub Kicinski <kuba@kernel.org>
> Signed-off-by: Andrei Vagin <avagin@gmail.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH net-next] net: introduce nla_policy for IFLA_NEW_IFINDEX
2021-04-07 6:40 [PATCH net-next] net: introduce nla_policy for IFLA_NEW_IFINDEX Andrei Vagin
2021-04-07 18:26 ` Jakub Kicinski
@ 2021-04-07 21:50 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-04-07 21:50 UTC (permalink / raw)
To: Andrei Vagin; +Cc: kuba, davem, netdev
Hello:
This patch was applied to netdev/net-next.git (refs/heads/master):
On Tue, 6 Apr 2021 23:40:03 -0700 you wrote:
> In this case, we don't need to check that new_ifindex is positive in
> validate_linkmsg.
>
> Fixes: eeb85a14ee34 ("net: Allow to specify ifindex when device is moved to another namespace")
> Suggested-by: Jakub Kicinski <kuba@kernel.org>
> Signed-off-by: Andrei Vagin <avagin@gmail.com>
>
> [...]
Here is the summary with links:
- [net-next] net: introduce nla_policy for IFLA_NEW_IFINDEX
https://git.kernel.org/netdev/net-next/c/7e4a51319d3a
You are awesome, thank you!
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^ permalink raw reply [flat|nested] 3+ messages in thread
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