Message ID | 20190925110524.GP3264@mwanda |
---|---|
State | Accepted |
Delegated to: | David Miller |
Headers | show |
Series | [net] net: nixge: Fix a signedness bug in nixge_probe() | expand |
From: Dan Carpenter <dan.carpenter@oracle.com> Date: Wed, 25 Sep 2019 14:05:24 +0300 > The "priv->phy_mode" is an enum and in this context GCC will treat it > as an unsigned int so it can never be less than zero. > > Fixes: 492caffa8a1a ("net: ethernet: nixge: Add support for National Instruments XGE netdev") > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Applied.
diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c index 0b384f97d2fd..2761f3a3ae50 100644 --- a/drivers/net/ethernet/ni/nixge.c +++ b/drivers/net/ethernet/ni/nixge.c @@ -1347,7 +1347,7 @@ static int nixge_probe(struct platform_device *pdev) } priv->phy_mode = of_get_phy_mode(pdev->dev.of_node); - if (priv->phy_mode < 0) { + if ((int)priv->phy_mode < 0) { netdev_err(ndev, "not find \"phy-mode\" property\n"); err = -EINVAL; goto unregister_mdio;
The "priv->phy_mode" is an enum and in this context GCC will treat it as an unsigned int so it can never be less than zero. Fixes: 492caffa8a1a ("net: ethernet: nixge: Add support for National Instruments XGE netdev") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> --- drivers/net/ethernet/ni/nixge.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)