ot1200: Fix the error handling in board_eth_init()

We should not return 0 on failure, so return a negative error code
instead.

Also centralize the error path so that is easier to follow.

Cc: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

diff --git a/board/bachmann/ot1200/ot1200.c b/board/bachmann/ot1200/ot1200.c
index 2237b7a..eeced79 100644 (file)
--- a/board/bachmann/ot1200/ot1200.c
+++ b/board/bachmann/ot1200/ot1200.c
@@ -305,13 +305,13 @@ int board_eth_init(bd_t *bis)
 
        bus = fec_get_miibus(base, -1);
        if (!bus)
-               return 0;
+               return -EINVAL;
 
        /* scan phy 0 and 5 */
        phydev = phy_find_by_mask(bus, 0x21, PHY_INTERFACE_MODE_RGMII);
        if (!phydev) {
-               free(bus);
-               return 0;
+               ret = -EINVAL;
+               goto free_bus;
        }
 
        /* depending on the phy address we can detect our board version */
@@ -322,12 +322,16 @@ int board_eth_init(bd_t *bis)
 
        printf("using phy at %d\n", phydev->addr);
        ret = fec_probe(bis, -1, base, bus, phydev);
-       if (ret) {
-               printf("FEC MXC: %s:failed\n", __func__);
-               free(phydev);
-               free(bus);
-       }
+       if (ret)
+               goto free_phydev;
+
        return 0;
+
+free_phydev:
+       free(phydev);
+free_bus:
+       free(bus);
+       return ret;
 }
 
 int board_init(void)