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From: Richard Genoud <richard.genoud@gmail.com>
To: Richard Weinberger <richard@nod.at>
Cc: dedekind1@gmail.com, dwmw2@infradead.org,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] UBI: Call scan_all() with correct offset in error case
Date: Thu, 26 Sep 2013 09:22:11 +0200	[thread overview]
Message-ID: <5243E0A3.1060900@gmail.com> (raw)
In-Reply-To: <1380141125-11063-2-git-send-email-richard@nod.at>

On 25/09/2013 22:32, Richard Weinberger wrote:
> If we find an invalid fastmap we have to scan from the very beginning.
> Otherwise we leak the first 64 PEBs.
> 
> Reported-by: Richard Genoud <richard.genoud@gmail.com>
> Signed-off-by: Richard Weinberger <richard@nod.at>
> ---
>  drivers/mtd/ubi/attach.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
> index c071d41..03b32b0 100644
> --- a/drivers/mtd/ubi/attach.c
> +++ b/drivers/mtd/ubi/attach.c
> @@ -1417,9 +1417,11 @@ int ubi_attach(struct ubi_device *ubi, int force_scan)
>  				ai = alloc_ai("ubi_aeb_slab_cache2");
>  				if (!ai)
>  					return -ENOMEM;
> -			}
>  
> -			err = scan_all(ubi, ai, UBI_FM_MAX_START);
> +				err = scan_all(ubi, ai, 0);
> +			} else {
> +				err = scan_all(ubi, ai, UBI_FM_MAX_START);
> +			}
>  		}
>  	}
>  #else
> 

Works great, the assert is not triggered anymore.

Tested-by: Richard Genoud <richard.genoud@gmail.com>

  reply	other threads:[~2013-09-26  7:22 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-25 20:32 [PATCH 1/2] UBI: Fix error path in scan_pool() Richard Weinberger
2013-09-25 20:32 ` [PATCH 2/2] UBI: Call scan_all() with correct offset in error case Richard Weinberger
2013-09-26  7:22   ` Richard Genoud [this message]
2013-09-26  7:20 ` [PATCH 1/2] UBI: Fix error path in scan_pool() Richard Genoud
2013-09-26  7:24   ` Richard Weinberger
2013-09-26  7:33     ` Richard Genoud
2013-09-26  9:25       ` Richard Genoud
2013-09-26  9:59         ` Richard Weinberger
2013-09-27 11:01         ` Richard Weinberger
2013-09-27 11:12           ` Richard Genoud

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