Re: [PATCH] mdio_bus: revert inadvertent error code change

[David Miller]

From: Helmut Grohne <helmut.grohne@xxxxxxxxxx>
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@xxxxxxxxxx>

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.