ASoC: cs-amp-lib-test: Use flex_array_size()

Use flex_array_size() when calculating the number of bytes argument to
get_random_bytes(). This replaces a calculation based on passing sizeof()
the expected type of the destination.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20250415131837.568750-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/cs-amp-lib-test.c b/sound/soc/codecs/cs-amp-lib-test.c
index d96d46eb5372e8028665e70a5e4061218dd8fa5e..4cac4de39eb66aa40a25c278380246c8ec5b9c5a 100644 (file)
--- a/sound/soc/codecs/cs-amp-lib-test.c
+++ b/sound/soc/codecs/cs-amp-lib-test.c
@@ -49,7 +49,7 @@ static void cs_amp_lib_test_init_dummy_cal_blob(struct kunit *test, int num_amps
        priv->cal_blob->size = blob_size;
        priv->cal_blob->count = num_amps;
 
-       get_random_bytes(priv->cal_blob->data, sizeof(struct cirrus_amp_cal_data) * num_amps);
+       get_random_bytes(priv->cal_blob->data, flex_array_size(priv->cal_blob, data, num_amps));
 
        /* Ensure all timestamps are non-zero to mark the entry valid. */
        for (i = 0; i < num_amps; i++)