Re: [PATCH v3] net: wan: framer: pef2256: Switch to devm_mfd_add_devices()
From: Herve Codina
Date: Wed Nov 05 2025 - 02:34:18 EST
Hi Haotian,
On Wed, 5 Nov 2025 11:47:16 +0800
Haotian Zhang <vulab@xxxxxxxxxxx> wrote:
> The driver calls mfd_add_devices() but fails to call mfd_remove_devices()
> in error paths after successful MFD device registration and in the remove
> function. This leads to resource leaks where MFD child devices are not
> properly unregistered.
>
> Replace mfd_add_devices with devm_mfd_add_devices to automatically
> manage the device resources.
>
> Fixes: c96e976d9a05 ("net: wan: framer: Add support for the Lantiq PEF2256 framer")
> Suggested-by: Herve Codina <herve.codina@xxxxxxxxxxx>
> Suggested-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> Signed-off-by: Haotian Zhang <vulab@xxxxxxxxxxx>
Not sure that 'Suggested-by: Jakub Kicinski' was needed according to his
comments on v2. Also, you forgot my 'Acked-by' I sent on v2.
Anyway, the v3 is ok on my side
Acked-by: Herve Codina <herve.codina@xxxxxxxxxxx>
Best regards,
Hervé