mediatek: update patches

[openwrt.git] / target / linux / mediatek / patches-4.4 / 0052-net-mediatek-checking-for-IS_ERR-instead-of-NULL.patch

diff --git a/target/linux/mediatek/patches-4.4/0052-net-mediatek-checking-for-IS_ERR-instead-of-NULL.patch b/target/linux/mediatek/patches-4.4/0052-net-mediatek-checking-for-IS_ERR-instead-of-NULL.patch
new file mode 100644 (file)
index 0000000..5e54291
--- /dev/null
+++ b/target/linux/mediatek/patches-4.4/0052-net-mediatek-checking-for-IS_ERR-instead-of-NULL.patch
@@ -0,0 +1,32 @@
+From 7809955b6f4319773a5ef561a5e98c61dc891a47 Mon Sep 17 00:00:00 2001
+From: Dan Carpenter <dan.carpenter@oracle.com>
+Date: Tue, 15 Mar 2016 10:18:49 +0300
+Subject: [PATCH 52/66] net: mediatek: checking for IS_ERR() instead of NULL
+
+of_phy_connect() returns NULL on error, it never returns error pointers.
+
+Fixes: 656e705243fd ('net-next: mediatek: add support for MT7623 ethernet')
+Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
+---
+ drivers/net/ethernet/mediatek/mtk_eth_soc.c |    4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+index ba3afa5..9759fe5 100644
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+@@ -186,9 +186,9 @@ static int mtk_phy_connect_node(struct mtk_eth *eth, struct mtk_mac *mac,
+ 
+       phydev = of_phy_connect(eth->netdev[mac->id], phy_node,
+                               mtk_phy_link_adjust, 0, phy_mode);
+-      if (IS_ERR(phydev)) {
++      if (!phydev) {
+               dev_err(eth->dev, "could not connect to PHY\n");
+-              return PTR_ERR(phydev);
++              return -ENODEV;
+       }
+ 
+       dev_info(eth->dev,
+-- 
+1.7.10.4
+