On 20 November 2015 at 13:42, Richardson, Bruce <bruce.richardson at intel.com> wrote:
> > > > -----Original Message----- > > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Mcnamara, John > > Sent: Friday, November 20, 2015 12:32 PM > > To: Mauricio Vasquez B <mauricio.vasquezbernal at studenti.polito.it>; > > dev at dpdk.org > > Subject: Re: [dpdk-dev] [PATCH] ring: Fix memory leakage in > > rte_pmd_ring_devuninit() > > > > > > > > > -----Original Message----- > > > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Mauricio Vasquez > > > B > > > Sent: Wednesday, November 18, 2015 10:29 PM > > > To: dev at dpdk.org > > > Subject: [dpdk-dev] [PATCH] ring: Fix memory leakage in > > > rte_pmd_ring_devuninit() > > > > > > When freeing the device, it is also necessary to free rx_queues and > > > tx_queues > > > > > > Signed-off-by: Mauricio Vasquez B > > > <mauricio.vasquezbernal at studenti.polito.it> > > > --- > > > drivers/net/ring/rte_eth_ring.c | 3 +++ > > > 1 file changed, 3 insertions(+) > > > > > > diff --git a/drivers/net/ring/rte_eth_ring.c > > > b/drivers/net/ring/rte_eth_ring.c index 9a31bce..e091e4f 100644 > > > --- a/drivers/net/ring/rte_eth_ring.c > > > +++ b/drivers/net/ring/rte_eth_ring.c > > > @@ -582,6 +582,9 @@ rte_pmd_ring_devuninit(const char *name) > > > return -ENODEV; > > > > > > eth_dev_stop(eth_dev); > > > + > > > + rte_free(eth_dev->data->rx_queues); > > > + rte_free(eth_dev->data->tx_queues); > > > rte_free(eth_dev->data->dev_private); > > > rte_free(eth_dev->data); > > > > Hi, > > > > This should test for eth_dev->data before freeing the members. Like: > > > > if (eth_dev->data) { > > rte_free(eth_dev->data->rx_queues); > > rte_free(eth_dev->data->tx_queues); > > rte_free(eth_dev->data->dev_private); > > } > > > > Thanks, > > > > John > > That was my thought initially too, but since this is an uninit routine, > the data field must already have been set up correctly by the init/creation > function. > That was my reasoning too. > That being said, the check does no harm, so we might as well add it. > I agree, I will send a new patch version. > > /Bruce > Mauricio V,