linux-kernel - Re: [PATCH] m68k/amiga: Add missing platform_device_unregister() call in amiga_init

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Date:   Tue, 28 Jul 2020 16:50:06 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Qinglang Miao <miaoqinglang@...wei.com>,
        linux-m68k@...ts.linux-m68k.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH] m68k/amiga: Add missing platform_device_unregister() call
 in amiga_init_devices()

> Add the missing platform_device_unregister() before return
> from amiga_init_devices() in the error handling case.

Will the tag “Fixes” become helpful for the commit message?


…
> +++ b/arch/m68k/amiga/platform.c
> @@ -188,8 +188,10 @@  static int __init amiga_init_devices(void)
>  			return PTR_ERR(pdev);
>  		error = platform_device_add_data(pdev, &a1200_ide_pdata,
>  						 sizeof(a1200_ide_pdata));
> -		if (error)
> +		if (error) {
> +			platform_device_unregister(pdev);
>  			return error;
> +		}
>  	}
…

I suggest to add a jump target for the desired exception handling.

 		if (error)
+			goto unregister_device;


Regards,
Markus