Net / e100: Fix suspend of devices that cannot be power managed

If the adapter is not power-manageable using either ACPI, or the
native PCI PM interface, __e100_power_off() returns error code, which
causes every attempt to suspend to fail, although it should return 0
in such a case.  Fix this problem by ignoring the return value of
pci_set_power_state() in __e100_power_off().

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/e100.c

diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index f7929e8..efa680f 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2895,12 +2895,13 @@
 
 static int __e100_power_off(struct pci_dev *pdev, bool wake)
 {
-	if (wake) {
+	if (wake)
 		return pci_prepare_to_sleep(pdev);
-	} else {
-		pci_wake_from_d3(pdev, false);
-		return pci_set_power_state(pdev, PCI_D3hot);
-	}
+
+	pci_wake_from_d3(pdev, false);
+	pci_set_power_state(pdev, PCI_D3hot);
+
+	return 0;
 }
 
 #ifdef CONFIG_PM