[PATCH AUTOSEL 4.19 565/671] net: netsec: Fix signedness bug in netsec_probe()

Sasha Levin
2020-01-16T18:39:42Z

From: Dan Carpenter <dan.carpenter@oracle.com>

[ Upstream commit bd55f8ddbc437c225391ca8f487e7ec10243c4cc ]

The "priv->phy_interface" variable is an enum and in this context GCC
will treat it as an unsigned int so the error handling is never
triggered.

Fixes: 533dd11a12f6 ("net: socionext: Add Synquacer NetSec driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/socionext/netsec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c
index d9d0d03e4ce7..027367b9cc48 100644
--- a/drivers/net/ethernet/socionext/netsec.c
+++ b/drivers/net/ethernet/socionext/netsec.c
@@ -1604,7 +1604,7 @@ static int netsec_probe(struct platform_device *pdev)
NETIF_MSG_LINK | NETIF_MSG_PROBE;

priv->phy_interface = device_get_phy_mode(&pdev->dev);
- if (priv->phy_interface < 0) {
+ if ((int)priv->phy_interface < 0) {
dev_err(&pdev->dev, "missing required property 'phy-mode'\n");
ret = -ENODEV;
goto free_ndev;
--
2.20.1