From: David Lechner <dlechner@baylibre.com>
Date: Wed, 11 Jun 2025 22:38:55 +0000 (-0500)
Subject: iio: adc: dln2-adc: use = { } instead of memset()
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3a780d29aece36f584360c1cac5fb50c7bdc0f39;p=users%2Fhch%2Fmisc.git

iio: adc: dln2-adc: 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-v1-3-ebb2d0a24302@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/adc/dln2-adc.c b/drivers/iio/adc/dln2-adc.c
index 9dbd2c87938c..5aea7644780f 100644
--- a/drivers/iio/adc/dln2-adc.c
+++ b/drivers/iio/adc/dln2-adc.c
@@ -467,7 +467,7 @@ static irqreturn_t dln2_adc_trigger_h(int irq, void *p)
 	struct {
 		__le16 values[DLN2_ADC_MAX_CHANNELS];
 		aligned_s64 timestamp_space;
-	} data;
+	} data = { };
 	struct dln2_adc_get_all_vals dev_data;
 	struct dln2_adc *dln2 = iio_priv(indio_dev);
 	const struct dln2_adc_demux_table *t;
@@ -479,8 +479,6 @@ static irqreturn_t dln2_adc_trigger_h(int irq, void *p)
 	if (ret < 0)
 		goto done;
 
-	memset(&data, 0, sizeof(data));
-
 	/* Demux operation */
 	for (i = 0; i < dln2->demux_count; ++i) {
 		t = &dln2->demux[i];