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From: Heiko Stuebner <heiko@sntech.de>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Sam Protsenko <semen.protsenko@linaro.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
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 linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org,
 linux-samsung-soc@vger.kernel.org,
 Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>,
 Krzysztof Kozlowski <krzk@kernel.org>,
 Sylwester Nawrocki <s.nawrocki@samsung.com>,
 Chanwoo Choi <cw00.choi@samsung.com>, Alim Akhtar <alim.akhtar@samsung.com>,
 Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Subject: Re: [PATCH v1 2/4] clk: rockchip: Switch to use kmemdup_array()
Date: Sun, 16 Jun 2024 10:00:07 +0200
Message-ID: <6087515.R56niFO833@phil>
In-Reply-To: <ZmhPBccSC0Uc2fjQ@smile.fi.intel.com>
References:
 <20240606161028.2986587-1-andriy.shevchenko@linux.intel.com>
 <8182279.JRmrKFJ9eK@diego> <ZmhPBccSC0Uc2fjQ@smile.fi.intel.com>
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Am Dienstag, 11. Juni 2024, 15:20:05 CEST schrieb Andy Shevchenko:
> On Fri, Jun 07, 2024 at 10:13:04AM +0200, Heiko St=FCbner wrote:
> > Am Donnerstag, 6. Juni 2024, 18:09:32 CEST schrieb Andy Shevchenko:
>=20
> ...
>=20
> > > -		cpuclk->rate_table =3D kmemdup(rates,
> > > -					     sizeof(*rates) * nrates,
> > > -					     GFP_KERNEL);
> > > +		cpuclk->rate_table =3D kmemdup_array(rates, nrates, sizeof(*rates),
> > > +						   GFP_KERNEL);
> >=20
> > are you sure the param order is correct?
> >=20
> > According to [0], it's (src, element_size, count, gfp), while above
> > (and below) element_size and count seems switched in the
> > kmemdup_array calls.
>=20
> I'm glad you asked. The parameter order is going to be fixed [1].
>=20
> > [0] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/=
tree/mm/util.c#n149
>=20
> [1]: 0ee14725471c ("mm/util: Swap kmemdup_array() arguments")

ah that clears it up :-)


Thanks for the pointer
Heiko