[PATCH] net/ice: fix memory leak

[Zhang, Qi Z]

> -----Original Message-----
> From: Wu, Wenjun1 <wenjun1.wu at intel.com>
> Sent: Monday, January 8, 2024 3:27 PM
> To: Zhang, Qi Z <qi.z.zhang at intel.com>; Yang, Qiming
> <qiming.yang at intel.com>
> Cc: dev at dpdk.org; stable at dpdk.org
> Subject: RE: [PATCH] net/ice: fix memory leak
> 
> 
> 
> > -----Original Message-----
> > From: Zhang, Qi Z <qi.z.zhang at intel.com>
> > Sent: Monday, January 8, 2024 4:49 AM
> > To: Yang, Qiming <qiming.yang at intel.com>; Wu, Wenjun1
> > <wenjun1.wu at intel.com>
> > Cc: dev at dpdk.org; Zhang, Qi Z <qi.z.zhang at intel.com>; stable at dpdk.org
> > Subject: [PATCH] net/ice: fix memory leak
> >
> > Free memory for AQ buffer at icd_move_recfg_lan_txq Free memory for
> > profile list at ice_tm_conf_uninit
> >
> > Fixes: 8c481c3bb65b ("net/ice: support queue and queue group bandwidth
> > limit")
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
> > ---
> >  drivers/net/ice/ice_tm.c | 12 ++++++++++++
> >  1 file changed, 12 insertions(+)
> >
> > diff --git a/drivers/net/ice/ice_tm.c b/drivers/net/ice/ice_tm.c index
> > b570798f07..c00ecb6a97 100644
> > --- a/drivers/net/ice/ice_tm.c
> > +++ b/drivers/net/ice/ice_tm.c
> > @@ -59,8 +59,15 @@ void
> >  ice_tm_conf_uninit(struct rte_eth_dev *dev)  {
> >  	struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data-
> >dev_private);
> > +	struct ice_tm_shaper_profile *shaper_profile;
> >  	struct ice_tm_node *tm_node;
> >
> > +	/* clear profile */
> > +	while ((shaper_profile = TAILQ_FIRST(&pf-
> > >tm_conf.shaper_profile_list))) {
> > +		TAILQ_REMOVE(&pf->tm_conf.shaper_profile_list,
> > shaper_profile, node);
> > +		rte_free(shaper_profile);
> > +	}
> > +
> >  	/* clear node configuration */
> >  	while ((tm_node = TAILQ_FIRST(&pf->tm_conf.queue_list))) {
> >  		TAILQ_REMOVE(&pf->tm_conf.queue_list, tm_node, node);
> @@ -636,6
> > +643,8 @@ static int ice_move_recfg_lan_txq(struct rte_eth_dev *dev,
> >  	uint16_t buf_size = ice_struct_size(buf, txqs, 1);
> >
> >  	buf = (struct ice_aqc_move_txqs_data *)ice_malloc(hw, sizeof(*buf));
> > +	if (buf == NULL)
> > +		return -ENOMEM;
> >
> >  	queue_parent_node = queue_sched_node->parent;
> >  	buf->src_teid = queue_parent_node->info.node_teid;
> > @@ -647,6 +656,7 @@ static int ice_move_recfg_lan_txq(struct
> > rte_eth_dev *dev,
> >  					NULL, buf, buf_size, &txqs_moved,
> NULL);
> >  	if (ret || txqs_moved == 0) {
> >  		PMD_DRV_LOG(ERR, "move lan queue %u failed", queue_id);
> > +		rte_free(buf);
> >  		return ICE_ERR_PARAM;
> >  	}
> >
> > @@ -656,12 +666,14 @@ static int ice_move_recfg_lan_txq(struct
> > rte_eth_dev *dev,
> >  	} else {
> >  		PMD_DRV_LOG(ERR, "invalid children number %d for
> queue %u",
> >  			    queue_parent_node->num_children, queue_id);
> > +		rte_free(buf);
> >  		return ICE_ERR_PARAM;
> >  	}
> >  	dst_node->children[dst_node->num_children++] =
> queue_sched_node;
> >  	queue_sched_node->parent = dst_node;
> >  	ice_sched_query_elem(hw, queue_sched_node->info.node_teid,
> > &queue_sched_node->info);
> >
> > +	rte_free(buf);
> >  	return ret;
> >  }
> >
> > --
> > 2.31.1
> 
> Acked-by: Wenjun Wu <wenjun1.wu at intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi