[PATCH net] net: bgmac: fix reversed check for MII registration error

[Rafał Miłecki]

From: Rafał Miłecki <ra...@milecki.pl>

It was failing on successful registration returning meaningless errors.

Signed-off-by: Rafał Miłecki <ra...@milecki.pl>
Fixes: 55954f3bfdac ("net: ethernet: bgmac: move BCMA MDIO Phy code into a 
separate file")
---
This fix is intendent for net repository (4.8 release).
---
 drivers/net/ethernet/broadcom/bgmac-bcma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bgmac-bcma.c 
b/drivers/net/ethernet/broadcom/bgmac-bcma.c
index 9a9745c4..625235d 100644
--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c
+++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c
@@ -159,7 +159,7 @@ static int bgmac_probe(struct bcma_device *core)
 
        if (!bgmac_is_bcm4707_family(core)) {
                mii_bus = bcma_mdio_mii_register(core, bgmac->phyaddr);
-               if (!IS_ERR(mii_bus)) {
+               if (IS_ERR(mii_bus)) {
                        err = PTR_ERR(mii_bus);
                        goto err;
                }
-- 
1.8.4.5