[dpdk-dev,v4,1/2] net/i40e: fix segmentation fault in close
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Commit Message
Change the order of releasing the vsi's.
Release the vmdq vsi's first, then release the main vsi.
Fixes: 4861cde46116 ("i40e: new poll mode driver")
CC: stable@dpdk.org
Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
---
drivers/net/i40e/i40e_ethdev.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
Comments
> -----Original Message-----
> From: Iremonger, Bernard
> Sent: Wednesday, January 18, 2017 12:39 AM
> To: dev@dpdk.org; Lu, Wenzhuo <wenzhuo.lu@intel.com>; Wu, Jingjing
> <jingjing.wu@intel.com>; Zhang, Helin <helin.zhang@intel.com>
> Cc: Iremonger, Bernard <bernard.iremonger@intel.com>; stable@dpdk.org
> Subject: [PATCH v4 1/2] net/i40e: fix segmentation fault in close
>
> Change the order of releasing the vsi's.
> Release the vmdq vsi's first, then release the main vsi.
>
> Fixes: 4861cde46116 ("i40e: new poll mode driver")
>
> CC: stable@dpdk.org
>
> Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
@@ -2069,18 +2069,17 @@ i40e_dev_close(struct rte_eth_dev *dev)
/* shutdown and destroy the HMC */
i40e_shutdown_lan_hmc(hw);
- /* release all the existing VSIs and VEBs */
- i40e_fdir_teardown(pf);
- i40e_vsi_release(pf->main_vsi);
-
for (i = 0; i < pf->nb_cfg_vmdq_vsi; i++) {
i40e_vsi_release(pf->vmdq[i].vsi);
pf->vmdq[i].vsi = NULL;
}
-
rte_free(pf->vmdq);
pf->vmdq = NULL;
+ /* release all the existing VSIs and VEBs */
+ i40e_fdir_teardown(pf);
+ i40e_vsi_release(pf->main_vsi);
+
/* shutdown the adminq */
i40e_aq_queue_shutdown(hw, true);
i40e_shutdown_adminq(hw);
@@ -4343,6 +4342,9 @@ i40e_vsi_release(struct i40e_vsi *vsi)
if (!vsi)
return I40E_SUCCESS;
+ if (!vsi->adapter)
+ return -EFAULT;
+
user_param = vsi->user_param;
pf = I40E_VSI_TO_PF(vsi);