[PATCH v2 2/9] net: stmmac: Stop PHY and remove TX timer on error

From: Thierry Reding
Date: Fri Mar 10 2017 - 11:35:55 EST


From: Thierry Reding <treding@xxxxxxxxxx>

If an error occurs while opening the device, make sure that both the TX
timer and the PHY are properly cleaned up.

Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 4498a3861aa3..7c38c9baf238 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1821,7 +1821,7 @@ static int stmmac_open(struct net_device *dev)
netdev_err(priv->dev,
"%s: ERROR: allocating the IRQ %d (error: %d)\n",
__func__, dev->irq, ret);
- goto init_error;
+ goto irq_error;
}

/* Request the Wake IRQ in case of another line is used for WoL */
@@ -1858,7 +1858,11 @@ static int stmmac_open(struct net_device *dev)
free_irq(priv->wol_irq, dev);
wolirq_error:
free_irq(dev->irq, dev);
+irq_error:
+ if (dev->phydev)
+ phy_stop(dev->phydev);

+ del_timer_sync(&priv->txtimer);
init_error:
free_dma_desc_resources(priv);
dma_desc_error:
--
2.12.0