ethernet: amd: use PTR_RET instead of IS_ERR + PTR_ERR

This uses PTR_RET instead of IS_ERR and PTR_ERR in order to increase
readability.

Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@gmail.com>
Acked-by: <Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/amd/atarilance.c

@@ -1147,9 +1147,7 @@ static struct net_device *atarilance_dev;
 static int __init atarilance_module_init(void)
 {
 	atarilance_dev = atarilance_probe(-1);
-	if (IS_ERR(atarilance_dev))
-		return PTR_ERR(atarilance_dev);
-	return 0;
+	return PTR_RET(atarilance_dev);
 }
 
 static void __exit atarilance_module_exit(void)

drivers/net/ethernet/amd/mvme147.c

@@ -188,9 +188,7 @@ static struct net_device *dev_mvme147_lance;
 int __init init_module(void)
 {
 	dev_mvme147_lance = mvme147lance_probe(-1);
-	if (IS_ERR(dev_mvme147_lance))
-		return PTR_ERR(dev_mvme147_lance);
-	return 0;
+	return PTR_RET(dev_mvme147_lance);
 }
 
 void __exit cleanup_module(void)

drivers/net/ethernet/amd/ni65.c

@@ -1238,7 +1238,7 @@ MODULE_PARM_DESC(dma, "ni6510 ISA DMA channel (ignored for some cards)");
 int __init init_module(void)
 {
  	dev_ni65 = ni65_probe(-1);
-	return IS_ERR(dev_ni65) ? PTR_ERR(dev_ni65) : 0;
+	return PTR_RET(dev_ni65);
 }
 
 void __exit cleanup_module(void)

drivers/net/ethernet/amd/sun3lance.c

@@ -940,9 +940,7 @@ static struct net_device *sun3lance_dev;
 int __init init_module(void)
 {
 	sun3lance_dev = sun3lance_probe(-1);
-	if (IS_ERR(sun3lance_dev))
-		return PTR_ERR(sun3lance_dev);
-	return 0;
+	return PTR_RET(sun3lance_dev);
 }
 
 void __exit cleanup_module(void)