linux-kernel - [PATCH v4 08/10] staging: octeon-ethernet: support of_get_mac_address new ERR

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Message-Id: <1556893635-18549-9-git-send-email-ynezz@true.cz>
Date:   Fri,  3 May 2019 16:27:13 +0200
From:   Petr Štetiar <ynezz@...e.cz>
To:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Frank Rowand <frowand.list@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Petr Štetiar <ynezz@...e.cz>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 08/10] staging: octeon-ethernet: support of_get_mac_address new ERR_PTR error

There was NVMEM support added to of_get_mac_address, so it could now return
ERR_PTR encoded error values, so we need to adjust all current users of
of_get_mac_address to this new fact.

Signed-off-by: Petr Štetiar <ynezz@...e.cz>
---

 Changes since v3:

  * IS_ERR_OR_NULL -> IS_ERR

 drivers/staging/octeon/ethernet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 986db76..2b03018 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -421,7 +421,7 @@ int cvm_oct_common_init(struct net_device *dev)
 	if (priv->of_node)
 		mac = of_get_mac_address(priv->of_node);
 
-	if (mac)
+	if (!IS_ERR(mac))
 		ether_addr_copy(dev->dev_addr, mac);
 	else
 		eth_hw_addr_random(dev);
-- 
1.9.1