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of: check for IS_ERR()

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get_phy_device() can return an ERR_PTR()

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Dan Carpenter 2010-04-28 01:07:29 -06:00 committed by Grant Likely
parent b0c06027c7
commit 9bd73715a1
1 changed files with 1 additions and 1 deletions
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2
drivers/of/of_mdio.c
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@ -69,7 +69,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
}
phy = get_phy_device(mdio, be32_to_cpup(addr));
if (!phy) {
if (!phy || IS_ERR(phy)) {
dev_err(&mdio->dev, "error probing PHY at address %i\n",
*addr);
continue;