[PATCH 5.16 0424/1039] octeontx2-nicvf: Free VF PTP resources.

From: Greg Kroah-Hartman
Date: Mon Jan 24 2022 - 17:14:01 EST


From: Rakesh Babu Saladi <rsaladi2@xxxxxxxxxxx>

[ Upstream commit eabd0f88b0d2d433c5dfe88218d4ce1c11ef04b8 ]

When a VF is removed respective PTP resources are not
being freed currently. This patch fixes it.

Fixes: 43510ef4ddad ("octeontx2-nicvf: Add PTP hardware clock support to NIX VF")
Signed-off-by: Rakesh Babu Saladi <rsaladi2@xxxxxxxxxxx>
Signed-off-by: Subbaraya Sundeep <sbhatta@xxxxxxxxxxx>
Signed-off-by: Sunil Goutham <sgoutham@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
index 78944ad3492ff..d75f3a78fabf1 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
@@ -684,7 +684,7 @@ static int otx2vf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
err = register_netdev(netdev);
if (err) {
dev_err(dev, "Failed to register netdevice\n");
- goto err_detach_rsrc;
+ goto err_ptp_destroy;
}

err = otx2_wq_init(vf);
@@ -709,6 +709,8 @@ static int otx2vf_probe(struct pci_dev *pdev, const struct pci_device_id *id)

err_unreg_netdev:
unregister_netdev(netdev);
+err_ptp_destroy:
+ otx2_ptp_destroy(vf);
err_detach_rsrc:
if (test_bit(CN10K_LMTST, &vf->hw.cap_flag))
qmem_free(vf->dev, vf->dync_lmt);
@@ -742,6 +744,7 @@ static void otx2vf_remove(struct pci_dev *pdev)
unregister_netdev(netdev);
if (vf->otx2_wq)
destroy_workqueue(vf->otx2_wq);
+ otx2_ptp_destroy(vf);
otx2vf_disable_mbox_intr(vf);
otx2_detach_resources(&vf->mbox);
if (test_bit(CN10K_LMTST, &vf->hw.cap_flag))
--
2.34.1