[PATCH net-next v2] net: stmmac: Switch to devm_alloc_etherdev_mqs

From: Jisheng Zhang
Date: Tue May 28 2019 - 22:29:37 EST


Make use of devm_alloc_etherdev_mqs() to simplify the code.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx>
---
Since V1:
- fix the build error, sorry, my bad.

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index a87ec70b19f1..4defdcb4f237 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4243,9 +4243,8 @@ int stmmac_dvr_probe(struct device *device,
u32 queue, maxq;
int ret = 0;

- ndev = alloc_etherdev_mqs(sizeof(struct stmmac_priv),
- MTL_MAX_TX_QUEUES,
- MTL_MAX_RX_QUEUES);
+ ndev = devm_alloc_etherdev_mqs(device, sizeof(struct stmmac_priv),
+ MTL_MAX_TX_QUEUES, MTL_MAX_RX_QUEUES);
if (!ndev)
return -ENOMEM;

@@ -4277,8 +4276,7 @@ int stmmac_dvr_probe(struct device *device,
priv->wq = create_singlethread_workqueue("stmmac_wq");
if (!priv->wq) {
dev_err(priv->device, "failed to create workqueue\n");
- ret = -ENOMEM;
- goto error_wq;
+ return -ENOMEM;
}

INIT_WORK(&priv->service_task, stmmac_service_task);
@@ -4434,8 +4432,6 @@ int stmmac_dvr_probe(struct device *device,
}
error_hw_init:
destroy_workqueue(priv->wq);
-error_wq:
- free_netdev(ndev);

return ret;
}
@@ -4472,7 +4468,6 @@ int stmmac_dvr_remove(struct device *dev)
stmmac_mdio_unregister(ndev);
destroy_workqueue(priv->wq);
mutex_destroy(&priv->lock);
- free_netdev(ndev);

return 0;
}
--
2.20.1