| Message ID | 20240304140650.977784-3-andriy.shevchenko@linux.intel.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | iio: core: Fix and cleanup to iio_device_alloc() | expand |
On Mon, Mar 4, 2024 at 8:07 AM Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote: > > No need to rewrite the value, instead use 'else' branch. > This will also help further refactoring the code later on. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > --- Reviewed-by: David Lechner <dlechner@baylibre.com>
Le 04/03/2024 à 15:04, Andy Shevchenko a écrit : > No need to rewrite the value, instead use 'else' branch. > This will also help further refactoring the code later on. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> > --- > drivers/iio/industrialio-core.c | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-) > > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c > index 8684ba246969..c7ad88932015 100644 > --- a/drivers/iio/industrialio-core.c > +++ b/drivers/iio/industrialio-core.c > @@ -1643,11 +1643,10 @@ struct iio_dev *iio_device_alloc(struct device *parent, int sizeof_priv) > struct iio_dev *indio_dev; > size_t alloc_size; > > - alloc_size = sizeof(struct iio_dev_opaque); > - if (sizeof_priv) { > - alloc_size = ALIGN(alloc_size, IIO_DMA_MINALIGN); > - alloc_size += sizeof_priv; > - } > + if (sizeof_priv) > + alloc_size = ALIGN(sizeof(*iio_dev_opaque), IIO_DMA_MINALIGN) + sizeof_priv; maybe size_add() to be super-safe? CJ > + else > + alloc_size = sizeof(*iio_dev_opaque); > > iio_dev_opaque = kzalloc(alloc_size, GFP_KERNEL); > if (!iio_dev_opaque)
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 8684ba246969..c7ad88932015 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -1643,11 +1643,10 @@ struct iio_dev *iio_device_alloc(struct device *parent, int sizeof_priv) struct iio_dev *indio_dev; size_t alloc_size; - alloc_size = sizeof(struct iio_dev_opaque); - if (sizeof_priv) { - alloc_size = ALIGN(alloc_size, IIO_DMA_MINALIGN); - alloc_size += sizeof_priv; - } + if (sizeof_priv) + alloc_size = ALIGN(sizeof(*iio_dev_opaque), IIO_DMA_MINALIGN) + sizeof_priv; + else + alloc_size = sizeof(*iio_dev_opaque); iio_dev_opaque = kzalloc(alloc_size, GFP_KERNEL); if (!iio_dev_opaque)
No need to rewrite the value, instead use 'else' branch. This will also help further refactoring the code later on. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/iio/industrialio-core.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)