On 8/15/18 2:07 AM, Toshiaki Makita wrote:
> David Ahern reported memory leak in veth.
>
...
> veth_rq allocated in veth_newlink() was not freed on dellink.
>
> We need to free up them after veth_close() so that any packets will not
> reference the queues afterwards. Thus free them in veth_dev_free() in
> the same way as freeing stats structure (vstats).
>
> Also move queues allocation to veth_dev_init() to be in line with stats
> allocation.
>
> Fixes: 638264dc90227 ("veth: Support per queue XDP ring")
> Reported-by: David Ahern <[email protected]>
> Signed-off-by: Toshiaki Makita <[email protected]>
> ---
> This is a fix for a bug which exists only in net-next.
> Let me know if I should wait for -next merging into net or reopen of -next.
>
> drivers/net/veth.c | 70
> +++++++++++++++++++++++++-----------------------------
> 1 file changed, 33 insertions(+), 37 deletions(-)
>
Reviewed-by: David Ahern <[email protected]>
Tested-by: David Ahern <[email protected]>