[PATCH] net/amd: Simplify assertions

[Tang Bin]

Simplifies assertions for errors.

Signed-off-by: Zhang Shengju <zhangshen...@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tang...@cmss.chinamobile.com>
---
 drivers/net/ethernet/amd/au1000_eth.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/amd/au1000_eth.c 
b/drivers/net/ethernet/amd/au1000_eth.c
index 76ac3a752..328c0ddba 100644
--- a/drivers/net/ethernet/amd/au1000_eth.c
+++ b/drivers/net/ethernet/amd/au1000_eth.c
@@ -1201,7 +1201,7 @@ static int au1000_probe(struct platform_device *pdev)
        }
 
        aup->mii_bus = mdiobus_alloc();
-       if (aup->mii_bus == NULL) {
+       if (!aup->mii_bus) {
                dev_err(&pdev->dev, "failed to allocate mdiobus structure\n");
                err = -ENOMEM;
                goto err_mdiobus_alloc;
@@ -1227,7 +1227,7 @@ static int au1000_probe(struct platform_device *pdev)
        }
 
        err = au1000_mii_probe(dev);
-       if (err != 0)
+       if (err)
                goto err_out;
 
        pDBfree = NULL;
@@ -1288,7 +1288,7 @@ static int au1000_probe(struct platform_device *pdev)
        return 0;
 
 err_out:
-       if (aup->mii_bus != NULL)
+       if (aup->mii_bus)
                mdiobus_unregister(aup->mii_bus);
 
        /* here we should have a valid dev plus aup-> register addresses
-- 
2.20.1.windows.1