Re: [PATCH net-next,v3] selftests: bonding: create directly devices in the target namespaces

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On Sat, Aug 26, 2023 at 10:23:30AM +0800, Zhengchao Shao wrote:
> If failed to set link1_1 to netns client, we should delete link1_1 in the
> cleanup path. But if set link1_1 to netns client successfully, delete
> link1_1 will report warning. So it will be safer creating directly the
> devices in the target namespaces.
> 
> Reported-by: Hangbin Liu <liuhangbin@xxxxxxxxx>
> Closes: https://lore.kernel.org/all/ZNyJx1HtXaUzOkNA@Laptop-X1/
> Signed-off-by: Zhengchao Shao <shaozhengchao@xxxxxxxxxx>
> ---
> v3: create the eth0 in the namespace
> v2: create directly devices in the target namespaces
> ---
>  .../drivers/net/bonding/bond-arp-interval-causes-panic.sh | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh b/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh
> index 7b2d421f09cf..4917dbb35a44 100755
> --- a/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh
> +++ b/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh
> @@ -22,14 +22,12 @@ server_ip4=192.168.1.254
>  echo 180 >/proc/sys/kernel/panic
>  
>  # build namespaces
> -ip link add dev link1_1 type veth peer name link1_2
> -
>  ip netns add "server"
> -ip link set dev link1_2 netns server up name eth0
> +ip netns add "client"
> +ip -n client link add eth0 type veth peer name eth0 netns server
> +ip netns exec server ip link set dev eth0 up
>  ip netns exec server ip addr add ${server_ip4}/24 dev eth0
>  
> -ip netns add "client"
> -ip link set dev link1_1 netns client down name eth0
>  ip netns exec client ip link add dev bond0 down type bond mode 1 \
>  	miimon 100 all_slaves_active 1
>  ip netns exec client ip link set dev eth0 down master bond0
> -- 
> 2.34.1
> 

Acked-by: Hangbin Liu <liuhangbin@xxxxxxxxx>



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