Message ID | 20191122091711.GA31495@laureti-dev |
---|---|
State | Not Applicable |
Delegated to: | David Miller |
Headers | show |
Series | mdio_bus: revert inadvertent error code change | expand |
From: Helmut Grohne <helmut.grohne@intenta.de> Date: Fri, 22 Nov 2019 10:17:13 +0100 > The fixed commit inadvertently changes the error code from ENOTSUPP to > ENOSYS. Doing so breaks (among other things) probing of macb, which > returns -ENOTSUPP as it is now returned from mdiobus_register_reset. > > Fixes: 1d4639567d97 ("mdio_bus: Fix PTR_ERR applied after initialization to constant") > Signed-off-by: Helmut Grohne <helmut.grohne@intenta.de> You should always generate networking bug fixes against the networking GIT tree, which had you done you would have seen that this bug is fixed there already. Thank you.
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 35876562e32a..dbacb0031877 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -65,7 +65,7 @@ static int mdiobus_register_reset(struct mdio_device *mdiodev) reset = devm_reset_control_get_exclusive(&mdiodev->dev, "phy"); if (IS_ERR(reset)) { - if (PTR_ERR(reset) == -ENOENT || PTR_ERR(reset) == -ENOSYS) + if (PTR_ERR(reset) == -ENOENT || PTR_ERR(reset) == -ENOTSUPP) reset = NULL; else return PTR_ERR(reset);
The fixed commit inadvertently changes the error code from ENOTSUPP to ENOSYS. Doing so breaks (among other things) probing of macb, which returns -ENOTSUPP as it is now returned from mdiobus_register_reset. Fixes: 1d4639567d97 ("mdio_bus: Fix PTR_ERR applied after initialization to constant") Signed-off-by: Helmut Grohne <helmut.grohne@intenta.de> --- drivers/net/phy/mdio_bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)