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_mpu6050: 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-v1-17-ebb2d0a24302@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner 2025-06-11 17:39:09 -05:00 committed by Jonathan Cameron
parent 352112e2d9
commit 3ee3c09d2d
2 changed files with 3 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
View File

@ -130,12 +130,10 @@ int inv_mpu_acpi_create_mux_client(struct i2c_client *client)
st->mux_client = NULL;
if (adev) {
struct i2c_board_info info;
struct i2c_board_info info = { };
struct i2c_client *mux_client;
int ret = -1;
memset(&info, 0, sizeof(info));
dmi_check_system(inv_mpu_dev_list);
switch (matched_product_name) {
case INV_MPU_ASUS_T100TA:

6
drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c
View File

@ -50,7 +50,8 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p)
u16 fifo_count;
u32 fifo_period;
s64 timestamp;
u8 data[INV_MPU6050_OUTPUT_DATA_SIZE] __aligned(8);
/* clear internal data buffer for avoiding kernel data leak */
u8 data[INV_MPU6050_OUTPUT_DATA_SIZE] __aligned(8) = { };
size_t i, nb;
mutex_lock(&st->lock);
@ -103,9 +104,6 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p)
inv_sensors_timestamp_interrupt(&st->timestamp, 1, pf->timestamp);
inv_sensors_timestamp_apply_odr(&st->timestamp, fifo_period, 1, 0);
/* clear internal data buffer for avoiding kernel data leak */
memset(data, 0, sizeof(data));
/* read all data once and process every samples */
result = regmap_noinc_read(st->map, st->reg->fifo_r_w, st->data, fifo_count);
if (result)