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Subject[PATCH v5 1/4] e1000e: Only run S0ix flows if shutdown succeeded
Date
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>
---
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 128ab6898070..6588f5d4a2be 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;
}
--
2.25.1
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