target/linux/mediatek/patches-4.4/0057-net-mediatek-checking-for-IS_ERR-instead-of-NULL.patch

   1 From b9f9b937dd12dc57bd54a6c89b18eb40d4508424 Mon Sep 17 00:00:00 2001
   2 From: Dan Carpenter <dan.carpenter@oracle.com>
   3 Date: Tue, 15 Mar 2016 10:18:49 +0300
   4 Subject: [PATCH 057/102] net: mediatek: checking for IS_ERR() instead of NULL
   5
   6 of_phy_connect() returns NULL on error, it never returns error pointers.
   7
   8 Fixes: 656e705243fd ('net-next: mediatek: add support for MT7623 ethernet')
   9 Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
  10 ---
  11  drivers/net/ethernet/mediatek/mtk_eth_soc.c |    4 ++--
  12  1 file changed, 2 insertions(+), 2 deletions(-)
  13
  14 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  15 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  16 @@ -186,9 +186,9 @@ static int mtk_phy_connect_node(struct m
  17
  18         phydev = of_phy_connect(eth->netdev[mac->id], phy_node,
  19                                 mtk_phy_link_adjust, 0, phy_mode);
  20 -       if (IS_ERR(phydev)) {
  21 +       if (!phydev) {
  22                 dev_err(eth->dev, "could not connect to PHY\n");
  23 -               return PTR_ERR(phydev);
  24 +               return -ENODEV;
  25         }
  26
  27         dev_info(eth->dev,