net: fec: Remove unneeded use of IS_ERR_VALUE() macro

[ Upstream commit b0c6ce24 ]

There is no need to use the IS_ERR_VALUE() macro for checking
the return value from pm_runtime_* functions.

Just do a simple negative test instead.

The semantic patch that makes this change is available
in scripts/coccinelle/api/pm_runtime.cocci.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/net/ethernet/freescale/fec_main.c

@@ -1775,7 +1775,7 @@ static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
 	int ret = 0;
 
 	ret = pm_runtime_get_sync(dev);
-	if (IS_ERR_VALUE(ret))
+	if (ret < 0)
 		return ret;
 
 	fep->mii_timeout = 0;
@@ -1814,7 +1814,7 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
 	int ret = 0;
 
 	ret = pm_runtime_get_sync(dev);
-	if (IS_ERR_VALUE(ret))
+	if (ret < 0)
 		return ret;
 
 	fep->mii_timeout = 0;
@@ -2866,7 +2866,7 @@ fec_enet_open(struct net_device *ndev)
 	int ret;
 
 	ret = pm_runtime_get_sync(&fep->pdev->dev);
-	if (IS_ERR_VALUE(ret))
+	if (ret < 0)
 		return ret;
 
 	pinctrl_pm_select_default_state(&fep->pdev->dev);