[U-Boot] [PATCH v1 19/19] net: mvneta: Fix fault when wrong device tree

[Marek Behún]

The driver does not check id phy_connect failed (for example on wrong
property name in device tree). In such a case a fault occurs and the
CPU is restarted.

Signed-off-by: Marek Behun <marek.behun at nic.cz>
---
 drivers/net/mvneta.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c
index 83e3153768..7403ccbd3c 100644
--- a/drivers/net/mvneta.c
+++ b/drivers/net/mvneta.c
@@ -1554,6 +1554,10 @@ static int mvneta_start(struct udevice *dev)
 
 			phydev = phy_connect(pp->bus, pp->phyaddr, dev,
 					     pp->phy_interface);
+			if (!phydev) {
+				printf("phy_connect failed\n");
+				return -1;
+			}
 
 			pp->phydev = phydev;
 			phy_config(phydev);
-- 
2.16.1