From: gang.chen@asianux•com (Chen Gang)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] ARM:plat-s3c24xx: for memcpy, reading more things out of boundary
Date: Sun, 17 Feb 2013 11:57:29 +0800 [thread overview]
Message-ID: <51205529.60601@asianux.com> (raw)
In-Reply-To: <5100C643.5010101@asianux.com>
Hello relative members:
please give a glance for this patch, when you have time.
thanks.
:-)
gchen.
? 2013?01?24? 13:27, Chen Gang ??:
>
> the size is made by "plls_no + 1".
> so when copy from original buffer, need dec 1, or reading out of boundary.
>
> additional info:
> plls_no is ARRARY_SIZE(plls).
>
>
> Signed-off-by: Chen Gang <gang.chen@asianux•com>
> ---
> arch/arm/plat-s3c24xx/cpu-freq.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/plat-s3c24xx/cpu-freq.c b/arch/arm/plat-s3c24xx/cpu-freq.c
> index 4680799..df093b2 100644
> --- a/arch/arm/plat-s3c24xx/cpu-freq.c
> +++ b/arch/arm/plat-s3c24xx/cpu-freq.c
> @@ -700,7 +700,8 @@ int __init s3c_plltab_register(struct cpufreq_frequency_table *plls,
>
> vals = kmalloc(size, GFP_KERNEL);
> if (vals) {
> - memcpy(vals, plls, size);
> + memcpy(vals, plls,
> + size - sizeof(struct cpufreq_frequency_table));
> pll_reg = vals;
>
> /* write a terminating entry, we don't store it in the
>
--
Chen Gang
Asianux Corporation
prev parent reply other threads:[~2013-02-17 3:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-24 5:27 [PATCH] ARM:plat-s3c24xx: for memcpy, reading more things out of boundary Chen Gang
2013-02-17 3:57 ` Chen Gang [this message]
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