[PATCH 5.14 281/334] atlantic: Fix driver resume flow.

[Greg Kroah-Hartman]

From: Sudarsana Reddy Kalluru <skalluru@xxxxxxxxxxx>

[ Upstream commit 57f780f1c43362b86fd23d20bd940e2468237716 ]

Driver crashes when restoring from the Hibernate. In the resume flow,
driver need to clean up the older nic/vec objects and re-initialize them.

Fixes: 8aaa112a57c1d ("net: atlantic: refactoring pm logic")
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@xxxxxxxxxxx>
Signed-off-by: Igor Russkikh <irusskikh@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
index 59253846e885..f26d03735619 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
@@ -417,6 +417,9 @@ static int atl_resume_common(struct device *dev, bool deep)
 	pci_restore_state(pdev);
 
 	if (deep) {
+		/* Reinitialize Nic/Vecs objects */
+		aq_nic_deinit(nic, !nic->aq_hw->aq_nic_cfg->wol);
+
 		ret = aq_nic_init(nic);
 		if (ret)
 			goto err_exit;
-- 
2.30.2