From: Mario Limonciello mario.limonciello@dell.com
[ Upstream commit 808e0d8832cc81738f3e8df12dff0688352baf50 ]
If the shutdown failed, the part will be thawed and running S0ix flows will put it into an undefined state.
Reported-by: Alexander Duyck alexander.duyck@gmail.com Reviewed-by: Alexander Duyck alexander.duyck@gmail.com Signed-off-by: Mario Limonciello mario.limonciello@dell.com Tested-by: Yijun Shen Yijun.shen@dell.com Signed-off-by: Tony Nguyen anthony.l.nguyen@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/intel/e1000e/netdev.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 128ab6898070e..6588f5d4a2be8 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -6970,13 +6970,14 @@ static __maybe_unused int e1000e_pm_suspend(struct device *dev) e1000e_pm_freeze(dev);
rc = __e1000_shutdown(pdev, false); - if (rc) + if (rc) { e1000e_pm_thaw(dev); - - /* Introduce S0ix implementation */ - if (hw->mac.type >= e1000_pch_cnp && - !e1000e_check_me(hw->adapter->pdev->device)) - e1000e_s0ix_entry_flow(adapter); + } else { + /* Introduce S0ix implementation */ + if (hw->mac.type >= e1000_pch_cnp && + !e1000e_check_me(hw->adapter->pdev->device)) + e1000e_s0ix_entry_flow(adapter); + }
return rc; }