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From: Andrea Merello <andrea.merello@gmail.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Rob Herring <robh+dt@kernel.org>,
	Matt Ranostay <matt.ranostay@konsulko.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	vlad.dogaru@intel.com,
	linux-kernel <linux-kernel@vger.kernel.org>,
	linux-iio <linux-iio@vger.kernel.org>,
	Andrea Merello <andrea.merello@iit.it>
Subject: Re: [PATCH 2/4] iio: imu: add Bosch Sensortec BNO055 core driver
Date: Mon, 19 Jul 2021 11:02:07 +0200	[thread overview]
Message-ID: <CAN8YU5MFMqh3wZo-yOOE8och3x089kYWjtrr83Jt8wCQTKFE8Q@mail.gmail.com> (raw)
In-Reply-To: <CAHp75Vf_Og2wjRy2j0gC37DgR0x9B_F5iSUj8VOtWkhWjgiOag@mail.gmail.com>

Il giorno gio 15 lug 2021 alle ore 18:50 Andy Shevchenko
<andy.shevchenko@gmail.com> ha scritto:

>
> > +/* must be called in configuration mode */
> > +int bno055_calibration_load(struct bno055_priv *priv, const struct firmware *fw)
> > +{
> > +       int i;
> > +       unsigned int tmp;
> > +       u8 cal[BNO055_CALDATA_LEN];
> > +       int read, tot_read = 0;
> > +       int ret = 0;
> > +       char *buf = kmalloc(fw->size + 1, GFP_KERNEL);
> > +
> > +       if (!buf)
> > +               return -ENOMEM;
> > +
> > +       memcpy(buf, fw->data, fw->size);
>
> kmemdup() ?
>

As a second thought: no, the whole point of reallocating and copying
here, is that we want to allocate an extra byte; kmemdup() will
allocate and copy only the very same amount of memory

  parent reply	other threads:[~2021-07-19  9:03 UTC|newest]

Thread overview: 88+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-15 14:17 [PATCH 0/4] Add support for Bosch BNO055 IMU Andrea Merello
2021-07-15 14:17 ` [PATCH 1/4] iio: add modifiers for linear acceleration Andrea Merello
2021-07-17 14:32   ` Jonathan Cameron
2021-07-15 14:17 ` [PATCH 2/4] iio: imu: add Bosch Sensortec BNO055 core driver Andrea Merello
2021-07-15 16:49   ` Andy Shevchenko
2021-07-16  9:19     ` Andrea Merello
2021-07-16 12:39       ` Andy Shevchenko
2021-07-19  7:12         ` Andrea Merello
2021-07-19 10:33         ` Andrea Merello
2021-07-19  9:02     ` Andrea Merello [this message]
2021-07-19 11:48       ` Andy Shevchenko
2021-07-19 13:13         ` Andrea Merello
2021-07-16  7:24   ` Alexandru Ardelean
2021-07-16  9:49     ` Andrea Merello
2021-07-17 15:32   ` Jonathan Cameron
2021-07-19  8:30     ` Andrea Merello
2021-07-24 17:08       ` Jonathan Cameron
2021-07-26 14:36         ` Andrea Merello
2021-07-31 18:01           ` Jonathan Cameron
2021-08-04 10:06             ` Andrea Merello
2021-08-04 16:50               ` Jonathan Cameron
2021-08-04 19:27                 ` Andy Shevchenko
2021-07-15 14:17 ` [PATCH 3/4] dt-bindings: iio: imu: add bosch BNO055 serdev driver bindings Andrea Merello
2021-07-17 15:39   ` Jonathan Cameron
2021-07-19  8:44     ` Andrea Merello
2021-07-15 14:17 ` [PATCH 4/4] iio: imu: add BNO055 serdev driver Andrea Merello
2021-07-15 17:08   ` kernel test robot
2021-07-15 18:14   ` kernel test robot
2021-07-17 15:50   ` Jonathan Cameron
2021-07-19  8:49     ` Andrea Merello
2021-07-19 11:55       ` Andy Shevchenko
2021-07-19 12:59         ` Andrea Merello
2021-07-19 14:15           ` Andy Shevchenko
2021-07-19 15:07             ` Andrea Merello
2021-10-28 10:18 ` [v2 00/10] Add support for Bosch BNO055 IMU Andrea Merello
2021-10-28 10:18   ` [v2 01/10] utils_macro: introduce find_closest_unsorted() Andrea Merello
2021-10-28 10:25     ` Andy Shevchenko
2021-11-08 11:05       ` Andrea Merello
2021-10-28 10:18   ` [v2 02/10] iio: document linear acceleration modifiers Andrea Merello
2021-10-28 10:31     ` Andy Shevchenko
2021-11-09  7:48       ` Andrea Merello
2021-10-28 10:40     ` Jonathan Cameron
2021-11-09  8:00       ` Andrea Merello
2021-11-09 17:00         ` Jonathan Cameron
2021-10-28 10:18   ` [v2 03/10] iio: document euler angles modifiers Andrea Merello
2021-10-28 10:33     ` Andy Shevchenko
2021-10-28 10:41     ` Jonathan Cameron
2021-11-09  8:15       ` Andrea Merello
2021-11-09 17:03         ` Jonathan Cameron
2021-10-28 10:18   ` [v2 04/10] iio: add modifiers for linear acceleration Andrea Merello
2021-10-28 10:45     ` Jonathan Cameron
2021-11-09  9:58       ` Andrea Merello
2021-11-09 17:05         ` Jonathan Cameron
2021-10-28 10:18   ` [v2 05/10] iio: add modifers for pitch, yaw, roll Andrea Merello
2021-10-28 10:47     ` Jonathan Cameron
2021-10-28 10:18   ` [v2 06/10] iio: document bno055 private sysfs attributes Andrea Merello
2021-10-28 11:04     ` Jonathan Cameron
2021-11-09 10:22       ` Andrea Merello
2021-11-14 16:20         ` Jonathan Cameron
2022-01-04 11:42           ` Andrea Merello
2022-01-15 15:27             ` Jonathan Cameron
2022-01-17  9:37               ` Andrea Merello
2021-10-28 10:18   ` [v2 07/10] iio: imu: add Bosch Sensortec BNO055 core driver Andrea Merello
2021-10-28 13:31     ` Jonathan Cameron
2021-11-09 11:52       ` Andrea Merello
2021-11-14 16:33         ` Jonathan Cameron
2021-10-28 10:18   ` [v2 08/10] dt-bindings: iio: imu: add documentation for Bosch BNO055 bindings Andrea Merello
2021-10-28 12:25     ` Rob Herring
2021-10-28 10:18   ` [v2 09/10] iio: imu: add BNO055 serdev driver Andrea Merello
2021-10-28 12:31     ` Jonathan Cameron
2021-11-09 15:33       ` Andrea Merello
2021-11-14 16:37         ` Jonathan Cameron
2021-10-29  7:09     ` kernel test robot
2021-10-29 12:59     ` kernel test robot
2021-10-28 10:18   ` [v2 10/10] iio: imu: add BNO055 I2C driver Andrea Merello
2021-10-28 11:10     ` Jonathan Cameron
2021-11-11 10:12       ` Andrea Merello
2021-11-14 16:38         ` Jonathan Cameron
2021-10-28 22:04     ` Randy Dunlap
2021-11-09 11:56       ` Andrea Merello
2021-11-09 15:47         ` Randy Dunlap
2021-11-09 18:21           ` Joe Perches
2021-11-09 19:11             ` Randy Dunlap
2021-11-09 20:46               ` Joe Perches
2021-11-09 21:20                 ` Randy Dunlap
2021-10-29 13:30     ` kernel test robot
2021-10-28 10:35   ` [v2 00/10] Add support for Bosch BNO055 IMU Jonathan Cameron
2021-10-28 10:33     ` Andy Shevchenko

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