[PATCH 5.7 039/265] net: macb: undo operations in case of failure

Sasha Levin
2020-06-29T21:35:28Z

From: Claudiu Beznea <claudiu.beznea@microchip.com>

[ Upstream commit faa620876b01d6744f1599e279042bb8149247ab ]

Undo previously done operation in case macb_phylink_connect()
fails. Since macb_reset_hw() is the 1st undo operation the
napi_exit label was renamed to reset_hw.

Fixes: 7897b071ac3b ("net: macb: convert to phylink")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/cadence/macb_main.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 67933079aeea5..257c4920cb886 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -2558,7 +2558,7 @@ static int macb_open(struct net_device *dev)

err = macb_phylink_connect(bp);
if (err)
- goto napi_exit;
+ goto reset_hw;

netif_tx_start_all_queues(dev);

@@ -2567,9 +2567,11 @@ static int macb_open(struct net_device *dev)

return 0;

-napi_exit:
+reset_hw:
+ macb_reset_hw(bp);
for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue)
napi_disable(&queue->napi);
+ macb_free_consistent(bp);
pm_exit:
pm_runtime_put_sync(&bp->pdev->dev);
return err;
--
2.25.1