linux-kernel - Re: [PATCH 1/3] [MTD] physmap.c: Check return of platform_device

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Message-Id: <20080917115746.e36cacc6.akpm@linux-foundation.org>
Date:	Wed, 17 Sep 2008 11:57:46 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Zev Weiss <zevweiss@...il.com>
Cc:	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] [MTD] physmap.c: Check return of
 platform_device_register()

On Fri, 12 Sep 2008 23:32:58 -0700
Zev Weiss <zevweiss@...il.com> wrote:

> The PHYSMAP_COMPAT code had been ignoring the return value of
> platform_device_register() in the physmap_init() function.
> 
> Signed-off-by: Zev Weiss <zevweiss@...il.com>
> ---
>   drivers/mtd/maps/physmap.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
> index 42d844f..6fba0d4 100644
> --- a/drivers/mtd/maps/physmap.c
> +++ b/drivers/mtd/maps/physmap.c
> @@ -312,7 +312,7 @@ static int __init physmap_init(void)
>   	err = platform_driver_register(&physmap_flash_driver);
>   #ifdef PHYSMAP_COMPAT
>   	if (err == 0)
> -		platform_device_register(&physmap_flash);
> +		err = platform_device_register(&physmap_flash);
>   #endif
> 
>   	return err;

Your email client is performing space-stuffing, thus making the patches
unapplyable.

Presumably we should run platform_driver_unregister() if the
platform_device_register() failed.

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