From: Dan Carpenter <error27@gmail.com>
Date: Wed, 28 Apr 2010 07:07:29 +0000 (-0600)
Subject: of: check for IS_ERR()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9bd73715a1f83f640937c121d22fa8dbaab73002;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

of: check for IS_ERR()

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>
---

diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 18ecae4a4375..b4748337223b 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -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;