[alsa-devel] [PATCH v2] ASoC: topology: Use kcalloc instead of kzalloc for array allocation

Axel Lin axel.lin at ingics.com
Wed Aug 5 16:34:22 CEST 2015


Also remove unnecessary memset.

Signed-off-by: Axel Lin <axel.lin at ingics.com>
---
v2: One more kcalloc conversion in soc_tplg_dapm_widget_dmixer_create
 sound/soc/soc-topology.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 4dadb5e..e4b7fc6 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -1069,7 +1069,7 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
 	struct snd_soc_tplg_mixer_control *mc;
 	int i, err;
 
-	kc = kzalloc(sizeof(*kc) * num_kcontrols, GFP_KERNEL);
+	kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
 	if (kc == NULL)
 		return NULL;
 
@@ -1250,7 +1250,7 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
 	struct snd_kcontrol_new *kc;
 	int i, err;
 
-	kc = kzalloc(sizeof(*kc) * count, GFP_KERNEL);
+	kc = kcalloc(count, sizeof(*kc), GFP_KERNEL);
 	if (!kc)
 		return NULL;
 
@@ -1273,7 +1273,6 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
 			"ASoC: adding bytes kcontrol %s with access 0x%x\n",
 			be->hdr.name, be->hdr.access);
 
-		memset(kc, 0, sizeof(*kc));
 		kc[i].name = be->hdr.name;
 		kc[i].private_value = (long)sbe;
 		kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
-- 
2.1.0





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