On Fri, May 26, 2023 at 11:05 AM David Marchand
<[email protected]> wrote:
>
> The offload thread calling ufid_to_rte_flow_disassociate() may be the
> last one holding a reference on the netdev and physdev.
> So displaying informations about them might trigger a crash when
> removing a physical port.
>
> Fixes: faf71e492263 ("netdev-dpdk: Print port name in offload API messages.")
> Signed-off-by: David Marchand <[email protected]>

LGTM.

Acked-by: Mike Pattrick <[email protected]>

> ---
>  lib/netdev-offload-dpdk.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/netdev-offload-dpdk.c b/lib/netdev-offload-dpdk.c
> index 7c91f8a799..14bc877719 100644
> --- a/lib/netdev-offload-dpdk.c
> +++ b/lib/netdev-offload-dpdk.c
> @@ -2345,13 +2345,13 @@ netdev_offload_dpdk_flow_destroy(struct 
> ufid_to_rte_flow_data *rte_flow_data)
>              ovsrcu_get(void *, &netdev->hw_info.offload_data);
>          data->rte_flow_counters[tid]--;
>
> -        ufid_to_rte_flow_disassociate(rte_flow_data);
>          VLOG_DBG_RL(&rl, "%s/%s: rte_flow 0x%"PRIxPTR
>                      " flow destroy %d ufid " UUID_FMT,
>                      netdev_get_name(netdev), netdev_get_name(physdev),
>                      (intptr_t) rte_flow,
>                      netdev_dpdk_get_port_id(physdev),
>                      UUID_ARGS((struct uuid *) ufid));
> +        ufid_to_rte_flow_disassociate(rte_flow_data);
>      } else {
>          VLOG_ERR("Failed flow: %s/%s: flow destroy %d ufid " UUID_FMT,
>                   netdev_get_name(netdev), netdev_get_name(physdev),
> --
> 2.40.1
>
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