ARM: Kirkwood: support of_get_mac_address new ERR_PTR error

There was NVMEM support added to of_get_mac_address, so it could now return
ERR_PTR encoded error values, so we need to adjust all current users of
of_get_mac_address to this new fact.

Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/arm/mach-mvebu/kirkwood.c b/arch/arm/mach-mvebu/kirkwood.c
index 0aa8810..9b5f4d6 100644 (file)
--- a/arch/arm/mach-mvebu/kirkwood.c
+++ b/arch/arm/mach-mvebu/kirkwood.c
@@ -92,7 +92,8 @@ static void __init kirkwood_dt_eth_fixup(void)
                        continue;
 
                /* skip disabled nodes or nodes with valid MAC address*/
-               if (!of_device_is_available(pnp) || of_get_mac_address(np))
+               if (!of_device_is_available(pnp) ||
+                   !IS_ERR(of_get_mac_address(np)))
                        goto eth_fixup_skip;
 
                clk = of_clk_get(pnp, 0);