[PATCH 03/10] net: ezchip: nps_enet: Fix platform_get_irq's error checking

Arvind Yadav
2017-12-02T19:29:00Z

The platform_get_irq() function returns negative if an error occurs.
zero or positive number on success. platform_get_irq() error checking
for zero is not correct. And remove unnecessary check for free_netdev().

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
drivers/net/ethernet/ezchip/nps_enet.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c
index 659f1ad..82dc6d0 100644
--- a/drivers/net/ethernet/ezchip/nps_enet.c
+++ b/drivers/net/ethernet/ezchip/nps_enet.c
@@ -623,9 +623,9 @@ static s32 nps_enet_probe(struct platform_device *pdev)

/* Get IRQ number */
priv->irq = platform_get_irq(pdev, 0);
- if (!priv->irq) {
+ if (priv->irq <= 0) {
dev_err(dev, "failed to retrieve <irq Rx-Tx> value from device tree\n");
- err = -ENODEV;
+ err = priv->irq ? priv->irq : -ENODEV;
goto out_netdev;
}

@@ -646,8 +646,7 @@ static s32 nps_enet_probe(struct platform_device *pdev)
out_netif_api:
netif_napi_del(&priv->napi);
out_netdev:
- if (err)
- free_netdev(ndev);
+ free_netdev(ndev);

return err;
}
--
2.7.4