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net: mvneta: Fix fault when wrong device tree

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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@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Marek Behún 2018-04-24 17:21:29 +02:00 • committed by Stefan Roese
parent 2d7a0f4399
commit cf2cf8510a
1 changed files with 4 additions and 0 deletions
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4
drivers/net/mvneta.c
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@ -1562,6 +1562,10 @@ 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 -ENODEV;
}
pp->phydev = phydev;
phy_config(phydev);