From: David Lechner <dlechner@baylibre.com>
Date: Wed, 11 Jun 2025 22:39:07 +0000 (-0500)
Subject: iio: dac: ad3552r: use = { } instead of memset()
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=46868e362f2a48edd44e924c036c52f199b9103c;p=users%2Fhch%2Fmisc.git

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 a44b163f3183..93c33bc3e1be 100644
--- 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;