[PATCHv5 net-next 1/9] net: ibm: emac: use devm for alloc_etherdev

From: Rosen Penev
Date: Wed Sep 11 2024 - 22:49:32 EST


Allows to simplify the code slightly. This is safe to do as free_netdev
gets called last.

Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
---
drivers/net/ethernet/ibm/emac/core.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c
index 6ace55837172..0e94b3899078 100644
--- a/drivers/net/ethernet/ibm/emac/core.c
+++ b/drivers/net/ethernet/ibm/emac/core.c
@@ -3053,7 +3053,7 @@ static int emac_probe(struct platform_device *ofdev)

/* Allocate our net_device structure */
err = -ENOMEM;
- ndev = alloc_etherdev(sizeof(struct emac_instance));
+ ndev = devm_alloc_etherdev(&ofdev->dev, sizeof(struct emac_instance));
if (!ndev)
goto err_gone;

@@ -3072,7 +3072,7 @@ static int emac_probe(struct platform_device *ofdev)
/* Init various config data based on device-tree */
err = emac_init_config(dev);
if (err)
- goto err_free;
+ goto err_gone;

/* Get interrupts. EMAC irq is mandatory, WOL irq is optional */
dev->emac_irq = irq_of_parse_and_map(np, 0);
@@ -3080,7 +3080,7 @@ static int emac_probe(struct platform_device *ofdev)
if (!dev->emac_irq) {
printk(KERN_ERR "%pOF: Can't map main interrupt\n", np);
err = -ENODEV;
- goto err_free;
+ goto err_gone;
}
ndev->irq = dev->emac_irq;

@@ -3239,8 +3239,6 @@ static int emac_probe(struct platform_device *ofdev)
irq_dispose_mapping(dev->wol_irq);
if (dev->emac_irq)
irq_dispose_mapping(dev->emac_irq);
- err_free:
- free_netdev(ndev);
err_gone:
/* if we were on the bootlist, remove us as we won't show up and
* wake up all waiters to notify them in case they were waiting
@@ -3289,7 +3287,6 @@ static void emac_remove(struct platform_device *ofdev)
if (dev->emac_irq)
irq_dispose_mapping(dev->emac_irq);

- free_netdev(dev->ndev);
}

/* XXX Features in here should be replaced by properties... */
--
2.46.0