From: Sergei Shtylyov Date: Sun, 24 Apr 2016 17:25:23 +0000 (+0300) Subject: phylib: don't return NULL from get_phy_device() X-Git-Tag: v4.7-rc1~154^2~193^2~4 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=b74766a0a0fe;p=tomoyo%2Ftomoyo-test1.git phylib: don't return NULL from get_phy_device() Arnd Bergmann asked that get_phy_device() returns either NULL or the error value, not both on error. Do as he said, return ERR_PTR(-ENODEV) instead of NULL when the PHY ID registers read as all ones. Suggested-by: Arnd Bergmann Signed-off-by: Sergei Shtylyov Reviewed-by: Florian Fainelli Signed-off-by: David S. Miller --- diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 10e39c2fbf81..e977ba931878 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -529,7 +529,7 @@ struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) /* If the phy_id is mostly Fs, there is no device there */ if ((phy_id & 0x1fffffff) == 0x1fffffff) - return NULL; + return ERR_PTR(-ENODEV); return phy_device_create(bus, addr, phy_id, is_c45, &c45_ids); }