Re: [PATCH v3 1/5] soundwire: intel: fix inversion in devm_kcalloc parameters

From: Takashi Iwai
Date: Thu Apr 11 2019 - 04:44:00 EST


On Thu, 11 Apr 2019 05:16:57 +0200,
Pierre-Louis Bossart wrote:
>
> the number of elements and size are inverted, fix.
>
> This probably only worked because the number of properties is
> hard-coded to 1.

Well, both are mathematically equivalent :)


Takashi

>
> Fixes: 71bb8a1b059e ('soundwire: intel: Add Intel Master driver')
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
> ---
> drivers/soundwire/intel.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
> index fd8d034cfec1..8669b314c476 100644
> --- a/drivers/soundwire/intel.c
> +++ b/drivers/soundwire/intel.c
> @@ -796,8 +796,8 @@ static int intel_prop_read(struct sdw_bus *bus)
>
> /* BIOS is not giving some values correctly. So, lets override them */
> bus->prop.num_freq = 1;
> - bus->prop.freq = devm_kcalloc(bus->dev, sizeof(*bus->prop.freq),
> - bus->prop.num_freq, GFP_KERNEL);
> + bus->prop.freq = devm_kcalloc(bus->dev, bus->prop.num_freq,
> + sizeof(*bus->prop.freq), GFP_KERNEL);
> if (!bus->prop.freq)
> return -ENOMEM;
>
> --
> 2.17.1
>