github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-05 13:06:59 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

iio: imu: inv_icm42600: use = { } instead of memset()

Browse Source 
Use { } instead of memset() to zero-initialize stack memory to simplify
the code.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250611-iio-zero-init-stack-with-instead-of-memset-v1-16-ebb2d0a24302@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner 2025-06-11 17:39:08 -05:00 committed by Jonathan Cameron
parent 46868e362f
commit 352112e2d9
2 changed files with 4 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
View File

@ -902,7 +902,8 @@ int inv_icm42600_accel_parse_fifo(struct iio_dev *indio_dev)
const int8_t *temp;
unsigned int odr;
int64_t ts_val;
struct inv_icm42600_accel_buffer buffer;
/* buffer is copied to userspace, zeroing it to avoid any data leak */
struct inv_icm42600_accel_buffer buffer = { };
/* parse all fifo packets */
for (i = 0, no = 0; i < st->fifo.count; i += size, ++no) {
@ -921,8 +922,6 @@ int inv_icm42600_accel_parse_fifo(struct iio_dev *indio_dev)
inv_sensors_timestamp_apply_odr(ts, st->fifo.period,
st->fifo.nb.total, no);
/* buffer is copied to userspace, zeroing it to avoid any data leak */
memset(&buffer, 0, sizeof(buffer));
memcpy(&buffer.accel, accel, sizeof(buffer.accel));
/* convert 8 bits FIFO temperature in high resolution format */
buffer.temp = temp ? (*temp * 64) : 0;

5
drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c
View File

@ -806,7 +806,8 @@ int inv_icm42600_gyro_parse_fifo(struct iio_dev *indio_dev)
const int8_t *temp;
unsigned int odr;
int64_t ts_val;
struct inv_icm42600_gyro_buffer buffer;
/* buffer is copied to userspace, zeroing it to avoid any data leak */
struct inv_icm42600_gyro_buffer buffer = { };
/* parse all fifo packets */
for (i = 0, no = 0; i < st->fifo.count; i += size, ++no) {
@ -825,8 +826,6 @@ int inv_icm42600_gyro_parse_fifo(struct iio_dev *indio_dev)
inv_sensors_timestamp_apply_odr(ts, st->fifo.period,
st->fifo.nb.total, no);
/* buffer is copied to userspace, zeroing it to avoid any data leak */
memset(&buffer, 0, sizeof(buffer));
memcpy(&buffer.gyro, gyro, sizeof(buffer.gyro));
/* convert 8 bits FIFO temperature in high resolution format */
buffer.temp = temp ? (*temp * 64) : 0;