[dpdk-dev] [PATCH] net/fm10k: fix memory leak when Tx thresh check fails

[Zhang, Qi Z]

> -----Original Message-----
> From: Wang, Xiao W <xiao.w.wang at intel.com>
> Sent: Thursday, October 8, 2020 9:39 AM
> To: wangyunjian <wangyunjian at huawei.com>; dev at dpdk.org
> Cc: Zhang, Qi Z <qi.z.zhang at intel.com>; jerry.lilijun at huawei.com;
> xudingke at huawei.com; stable at dpdk.org
> Subject: RE: [dpdk-dev] [PATCH] net/fm10k: fix memory leak when Tx thresh
> check fails
> 
> Hi,
> 
> Thanks for the patch.
> 
> > -----Original Message-----
> > From: wangyunjian <wangyunjian at huawei.com>
> > Sent: Wednesday, October 7, 2020 3:37 PM
> > To: dev at dpdk.org
> > Cc: Zhang, Qi Z <qi.z.zhang at intel.com>; Wang, Xiao W
> > <xiao.w.wang at intel.com>; jerry.lilijun at huawei.com;
> > xudingke at huawei.com; Yunjian Wang <wangyunjian at huawei.com>;
> > stable at dpdk.org
> > Subject: [dpdk-dev] [PATCH] net/fm10k: fix memory leak when Tx thresh
> > check fails
> >
> > From: Yunjian Wang <wangyunjian at huawei.com>
> >
> > In fm10k_tx_queue_setup(), we allocate memory for the queue structure
> > but not released when Tx thresh check fails.
> >
> > Fixes: 98068e0e044e ("fm10k: add Tx queue setup/release")
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Yunjian Wang <wangyunjian at huawei.com>
> > ---
> >  drivers/net/fm10k/fm10k_ethdev.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/fm10k/fm10k_ethdev.c
> > b/drivers/net/fm10k/fm10k_ethdev.c
> > index 309637071..c4a6fdf7f 100644
> > --- a/drivers/net/fm10k/fm10k_ethdev.c
> > +++ b/drivers/net/fm10k/fm10k_ethdev.c
> > @@ -2024,8 +2024,10 @@ fm10k_tx_queue_setup(struct rte_eth_dev *dev,
> > uint16_t queue_id,  q->ops = &def_txq_ops;  q->tail_ptr = (volatile
> > uint32_t *)  &((uint32_t *)hw->hw_addr)[FM10K_TDT(queue_id)];
> > -if (handle_txconf(q, conf))
> > +if (handle_txconf(q, conf)) {
> > +rte_free(q);
> >  return -EINVAL;
> > +}
> >
> >  /* allocate memory for the software ring */  q->sw_ring =
> > rte_zmalloc_socket("fm10k sw ring",
> > --
> > 2.23.0
> 
> Acked-by: Xiao Wang <xiao.w.wang at intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi
>