ASoC: SOF: topology: Avoid open coded arithmetic in memory allocation

Use kcalloc() instead of kzalloc()+open coded multiplication.
This is safer and saves a few lines of code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/3bbf03cfd1966bc6fb6dd0939e039fc161078a61.1647757329.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index f7e1de8..6ab7602 100644 (file)
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -1109,7 +1109,6 @@ static int sof_widget_parse_tokens(struct snd_soc_component *scomp, struct snd_s
        const struct sof_token_info *token_list = ipc_tplg_ops->token_list;
        struct snd_soc_tplg_private *private = &tw->priv;
        int num_tuples = 0;
-       size_t size;
        int ret, i;
 
        if (count > 0 && !object_token_list) {
@@ -1122,8 +1121,7 @@ static int sof_widget_parse_tokens(struct snd_soc_component *scomp, struct snd_s
                num_tuples += token_list[object_token_list[i]].count;
 
        /* allocate memory for tuples array */
-       size = sizeof(struct snd_sof_tuple) * num_tuples;
-       swidget->tuples = kzalloc(size, GFP_KERNEL);
+       swidget->tuples = kcalloc(num_tuples, sizeof(*swidget->tuples), GFP_KERNEL);
        if (!swidget->tuples)
                return -ENOMEM;
 
@@ -1561,7 +1559,6 @@ static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_
        const struct sof_token_info *token_list = ipc_tplg_ops->token_list;
        struct snd_soc_tplg_private *private = &cfg->priv;
        struct snd_sof_dai_link *slink;
-       size_t size;
        u32 token_id = 0;
        int num_tuples = 0;
        int ret, num_sets;
@@ -1673,8 +1670,7 @@ static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_
        }
 
        /* allocate memory for tuples array */
-       size = sizeof(struct snd_sof_tuple) * num_tuples;
-       slink->tuples = kzalloc(size, GFP_KERNEL);
+       slink->tuples = kcalloc(num_tuples, sizeof(*slink->tuples), GFP_KERNEL);
        if (!slink->tuples) {
                kfree(slink->hw_configs);
                kfree(slink);