On 10/25/22 12:50, Aaron Conole wrote:
> As noted by Paolo Abeni, pr_warn doesn't generate any splat and can still
> preserve the warning to the user that feature downgrade occurred.  We
> likely cannot introduce other kinds of checks / enforcement here because
> syzbot can generate different genl versions to the datapath.
> 
> Reported-by: [email protected]
> Fixes: 44da5ae5fbea ("openvswitch: Drop user features if old user space 
> attempted to create datapath")
> Cc: Thomas Graf <[email protected]>
> Signed-off-by: Aaron Conole <[email protected]>
> ---
>  net/openvswitch/datapath.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
> index c8a9075ddd0a..155263e73512 100644
> --- a/net/openvswitch/datapath.c
> +++ b/net/openvswitch/datapath.c
> @@ -1616,7 +1616,8 @@ static void ovs_dp_reset_user_features(struct sk_buff 
> *skb,
>       if (IS_ERR(dp))
>               return;
>  
> -     WARN(dp->user_features, "Dropping previously announced user 
> features\n");
> +     pr_warn("%s: Dropping previously announced user features\n",
> +             ovs_dp_name(dp));
>       dp->user_features = 0;
>  }
>  

Nothing changed here since v1, so

Acked-by: Ilya Maximets <[email protected]>
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