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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2016-04-24 20:25:23 +0300
committerDavid S. Miller <davem@davemloft.net>2016-04-26 15:41:19 -0400
commitb74766a0a0feeef5c779709cc5d109451c0d5b17 (patch)
treefb37579483e96df3125ef13e75ae3368504dae1b
parentf796721040f933bb51b33f53899a382b4872b3e6 (diff)
downloadop-kernel-dev-b74766a0a0feeef5c779709cc5d109451c0d5b17.zip
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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 <arnd@arndb.de> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/phy/phy_device.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 10e39c2..e977ba9 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);
}
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