[dpdk-dev] [PATCH 1/3] net/mlx5: fix leak when starvation occurs

[Adrien Mazarguil]

On Thu, Nov 17, 2016 at 10:49:54AM +0100, Nelio Laranjeiro wrote:
> The list of segments to free was wrongly manipulated ending by only freeing
> the first segment instead of freeing all of them.  The last one still
> belongs to the NIC and thus should not be freed.
> 
> Fixes: a1bdb71a32da ("net/mlx5: fix crash in Rx")
> 
> CC: stable at dpdk.org
> Reported-by: Liming Sun <lsun at mellanox.com>
> Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
> ---
>  drivers/net/mlx5/mlx5_rxtx.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
> index beff580..9bd4d80 100644
> --- a/drivers/net/mlx5/mlx5_rxtx.c
> +++ b/drivers/net/mlx5/mlx5_rxtx.c
> @@ -1312,10 +1312,10 @@ mlx5_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
>  			}
>  			while (pkt != seg) {
>  				assert(pkt != (*rxq->elts)[idx]);
> -				seg = NEXT(pkt);
> +				rep = NEXT(pkt);
>  				rte_mbuf_refcnt_set(pkt, 0);
>  				__rte_mbuf_raw_free(pkt);
> -				pkt = seg;
> +				pkt = rep;
>  			}
>  			break;
>  		}
> -- 
> 2.1.4

Acked-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>

-- 
Adrien Mazarguil
6WIND