Re: [PATCH v2] net: ibm: emac: Fix some error handling path in 'emac_probe()'

From: David Miller
Date: Sun Aug 20 2017 - 22:53:27 EST


From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Date: Sun, 20 Aug 2017 06:35:00 +0200

> If 'irq_of_parse_and_map()' or 'of_address_to_resource()' fail, 'err' is
> known to be 0 at this point.
> So return -ENODEV instead in the first case and use 'of_iomap()' instead of
> the equivalent 'of_address_to_resource()/ioremap()' combinaison in the 2nd
> case.
>
> Doing so, the 'rsrc_regs' field of the 'emac_instance struct' becomes
> redundant and is removed.
>
> While at it, turn a 'err != 0' test into an equivalent 'err' to be more
> consistent.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> v2: use of_iomap() to simplify code
> remove 'rsrc_regs' field of the 'emac_instance struct'
> update comment

Applied to net-next.