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path: root/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 565da6498c84..a999d6b33a64 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4060,7 +4060,7 @@ static int stmmac_set_features(struct net_device *netdev,
/**
* stmmac_interrupt - main ISR
* @irq: interrupt number.
- * @dev_id: to pass the net device pointer.
+ * @dev_id: to pass the net device pointer (must be valid).
* Description: this is the main driver interrupt service routine.
* It can call:
* o DMA service routine (to manage incoming frame reception and transmission
@@ -4084,11 +4084,6 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
if (priv->irq_wake)
pm_wakeup_event(priv->device, 0);
- if (unlikely(!dev)) {
- netdev_err(priv->dev, "%s: invalid dev pointer\n", __func__);
- return IRQ_NONE;
- }
-
/* Check if adapter is up */
if (test_bit(STMMAC_DOWN, &priv->state))
return IRQ_HANDLED;
@@ -4991,7 +4986,7 @@ int stmmac_dvr_probe(struct device *device,
priv->plat->bsp_priv);
if (ret < 0)
- return ret;
+ goto error_serdes_powerup;
}
#ifdef CONFIG_DEBUG_FS
@@ -5000,6 +4995,8 @@ int stmmac_dvr_probe(struct device *device,
return ret;
+error_serdes_powerup:
+ unregister_netdev(ndev);
error_netdev_register:
phylink_destroy(priv->phylink);
error_phy_setup: