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Message-ID: <521F7B2A.5030106@gmail.com>
Date: Thu, 29 Aug 2013 18:47:38 +0200
From: Wladislav Wiebe <wladislav.kw@...il.com>
To: Grant Likely <grant.likely@...aro.org>
CC: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
stable@...r.kernel.org
Subject: Re: [PATCH] of: Fix missing memory initialization on FDT unflattening
On 29/08/13 13:41, Grant Likely wrote:
> Any calls to dt_alloc() need to be zeroed. This is a temporary fix, but
> the allocation function itself needs to zero memory before returning
> it. This is a follow up to patch 9e4012752, "of: fdt: fix memory
> initialization for expanded DT" which fixed one call site but missed
> another.
Acked-by: Wladislav Wiebe <wladislav.kw@...il.com>
>
> Signed-off-by: Grant Likely <grant.likely@...aro.org>
> Cc: stable@...r.kernel.org
> Cc: Wladislav Wiebe <wladislav.kw@...il.com>
> ---
> drivers/of/base.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/of/base.c b/drivers/of/base.c
> index 5c54279..bf8432f 100644
> --- a/drivers/of/base.c
> +++ b/drivers/of/base.c
> @@ -1629,6 +1629,7 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
> ap = dt_alloc(sizeof(*ap) + len + 1, 4);
> if (!ap)
> continue;
> + memset(ap, 0, sizeof(*ap) + len + 1);
> ap->alias = start;
> of_alias_add(ap, np, id, start, len);
> }
>
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