[PATCH 6.1.y 1/2] iio: imu: inv_icm42600: use = { } instead of memset()

[Sasha Levin <sashal@kernel.org>]

From: David Lechner <dlechner@baylibre.com>

[ Upstream commit 352112e2d9aab6a156c2803ae14eb89a9fd93b7d ]

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>
Stable-dep-of: 466f7a2fef2a ("iio: imu: inv_icm42600: Avoid configuring if already pm_runtime suspended")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c | 5 ++---
 drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c  | 5 ++---
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
index 7a0f5cfd9417f..06ff9c2db04af 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
@@ -748,7 +748,8 @@ 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) {
@@ -767,8 +768,6 @@ int inv_icm42600_accel_parse_fifo(struct iio_dev *indio_dev)
 			inv_icm42600_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;
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c
index 4fb796e11486f..aad8899ef8737 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c
@@ -760,7 +760,8 @@ 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) {
@@ -779,8 +780,6 @@ int inv_icm42600_gyro_parse_fifo(struct iio_dev *indio_dev)
 			inv_icm42600_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;
-- 
2.51.0