Re: [PATCH v2] mfd: sm501: fix reference leak on failed device registration

[Miquel Raynal]

On Mon, 04 May 2026 15:48:41 +0300, Valery Borovsky wrote:
> When platform_device_register() fails in sm501_register_device(), the
> platform device allocated by sm501_create_subdev() has its struct device
> initialized by device_initialize() inside platform_device_register(). The
> error path logs the error but returns without dropping the device reference,
> leaking the memory allocated by sm501_create_subdev():
> 
>   sm501_register_device()
>     -> platform_device_register(pdev)
>        -> device_initialize(&pdev->dev)   /* kref = 1 */
>        -> platform_device_add(pdev)       /* fails */
>     <- dev_err() called, kref still 1, sm501_device_release never called
> 
> [...]

Applied to mtd/next, thanks!

[1/1] mfd: sm501: fix reference leak on failed device registration
      commit: faa9bba3fe2f37e7dcb26d4501d890fbfd7df160

Patche(s) should be available on mtd/linux.git and will be
part of the next PR (provided that no robot complains by then).

Kind regards,
Miquèl