Re: [PATCH net-next v2] net: marvell: mvmdio: Handle errors from optional IRQ lookup
From: Simon Horman
Date: Tue Sep 08 2026 - 04:25:58 EST
On Thu, Sep 03, 2026 at 02:46:38PM +0700, phucduc.bui@xxxxxxxxx wrote:
> From: bui duc phuc <phucduc.bui@xxxxxxxxx>
>
> platform_get_irq_optional() returns a positive IRQ number on success or
> a negative error code on failure. For an optional IRQ, -ENXIO indicates
> that no optional IRQ is available. Other errors should be propagated so
> that the caller can handle them appropriately.
>
> The existing code propagates -EPROBE_DEFER, but ignores other negative
> errors. Propagate negative errors other than -ENXIO.
>
> Found by manual code inspection.
>
> Fixes: e1f550dc44a4 ("net: mvmdio: avoid error message for optional IRQ")
> Signed-off-by: bui duc phuc <phucduc.bui@xxxxxxxxx>
> ---
>
> Changes in v2:
> - Add a Fixes tag.
> - Add net-next to the --subject-prefix.
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>