[E1000-devel] [PATCH net-next] igb: do a reset on SR-IOV re-init if device is down

[Stefan Assmann]

To properly re-initialize SR-IOV it is necessary to reset the device
even if it is already down. Not doing this may result in tx unit hangs.

Signed-off-by: Stefan Assmann <sassm...@kpanic.de>
---
 drivers/net/ethernet/intel/igb/igb_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c 
b/drivers/net/ethernet/intel/igb/igb_main.c
index f145adb..6f3cf45 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -7578,6 +7578,8 @@ static int igb_sriov_reinit(struct pci_dev *dev)
 
        if (netif_running(netdev))
                igb_close(netdev);
+       else
+               igb_reset(adapter);
 
        igb_clear_interrupt_scheme(adapter);
 
-- 
1.9.3


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