Re: [dpdk-dev] [PATCH] net/octeontx: fix memory leak of MAC address table

[Jerin Jacob <jerinjacobk@gmail.com>]

On Wed, Jan 29, 2020 at 5:58 PM Harman Kalra <hkalra@marvell.com> wrote:
>
> On Wed, Jan 29, 2020 at 02:47:04PM +0530, Sunil Kumar Kori wrote:
> > MAC address table is allocated during octeontx device create and
> > same is used to maintain list of MAC address associated to port.
> > This table is not getting freed niether in case of error nor during
> > graceful shutdown of port.
> >
> > Patch fixes memory required memory for both the cases as mentioned.
> >
> > Fixes: f18b146c498d ("net/octeontx: create ethdev ports")

Cc: stable@dpdk.org

> >
> > Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
>
> Acked-by: Harman Kalra <hkalra@marvell.com>

Applied to dpdk-next-net-mrvl/master. Thanks


>
> > ---
> >  drivers/net/octeontx/octeontx_ethdev.c | 8 +++++++-
> >  1 file changed, 7 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c
> > index e23162d8a..40d9d67da 100644
> > --- a/drivers/net/octeontx/octeontx_ethdev.c
> > +++ b/drivers/net/octeontx/octeontx_ethdev.c
> > @@ -351,6 +351,10 @@ octeontx_dev_close(struct rte_eth_dev *dev)
> >               rte_free(txq);
> >       }
> >
> > +     /* Free MAC address table */
> > +     rte_free(dev->data->mac_addrs);
> > +     dev->data->mac_addrs = NULL;
> > +
> >       dev->tx_pkt_burst = NULL;
> >       dev->rx_pkt_burst = NULL;
> >  }
> > @@ -1143,7 +1147,7 @@ octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
> >               octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
> >                               data->port_id, nic->port_id);
> >               res = -EINVAL;
> > -             goto err;
> > +             goto free_mac_addrs;
> >       }
> >
> >       /* Update port_id mac to eth_dev */
> > @@ -1162,6 +1166,8 @@ octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
> >       rte_eth_dev_probing_finish(eth_dev);
> >       return data->port_id;
> >
> > +free_mac_addrs:
> > +     rte_free(data->mac_addrs);
> >  err:
> >       if (nic)
> >               octeontx_port_close(nic);
> > --
> > 2.17.1
> >