linux-kernel - Re: [char-misc-next] mei: bus: fix device leak

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Message-ID: <2025062423-flavored-dwelling-070d@gregkh>
Date: Tue, 24 Jun 2025 10:06:22 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Alexander Usyskin <alexander.usyskin@...el.com>
Cc: Reuven Abliyev <reuven.abliyev@...el.com>, linux-kernel@...r.kernel.org
Subject: Re: [char-misc-next] mei: bus: fix device leak

On Tue, Jun 24, 2025 at 10:15:21AM +0300, Alexander Usyskin wrote:
> The bus rescan function creates bus devices for all clients.
> The fixup routine is executed on all devices, unneeded
> devices are removed and fully initialized once set
> is_added flag to 1.
> 
> If link to firmware is reset right after all devices are
> initialized, but before fixup is executed, the rescan tries
> to remove devices.
> The is_added flag is not set and the mei_cl_bus_dev_destroy
> returns prematurely.
> Allow to clean up device when is_added flag is unset to
> account for above scenario.
> 
> Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com>

What commit id does this fix?

thanks,

greg k-h