iio: dac: ad3552r: use = { } instead of memset()

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-v1-15-ebb2d0a24302@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/dac/ad3552r.c b/drivers/iio/dac/ad3552r.c
index a44b163f318315cec179aa2ac9d66883a327ebb9..93c33bc3e1be438c2e10c1ca990d8046ba87c9d0 100644 (file)
--- a/drivers/iio/dac/ad3552r.c
+++ b/drivers/iio/dac/ad3552r.c
@@ -293,10 +293,9 @@ static irqreturn_t ad3552r_trigger_handler(int irq, void *p)
        struct iio_buffer *buf = indio_dev->buffer;
        struct ad3552r_desc *dac = iio_priv(indio_dev);
        /* Maximum size of a scan */
-       u8 buff[AD3552R_MAX_CH * AD3552R_MAX_REG_SIZE];
+       u8 buff[AD3552R_MAX_CH * AD3552R_MAX_REG_SIZE] = { };
        int err;
 
-       memset(buff, 0, sizeof(buff));
        err = iio_pop_from_buffer(buf, buff);
        if (err)
                goto end;