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Diffstat (limited to 'sound/soc/soc-topology.c')
-rw-r--r--sound/soc/soc-topology.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 90ca37e008b3..6951ff7bc61e 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -1021,6 +1021,7 @@ static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
+ const size_t maxlen = SNDRV_CTL_ELEM_ID_NAME_MAXLEN;
struct snd_soc_tplg_dapm_graph_elem *elem;
struct snd_soc_dapm_route *route;
int count, i;
@@ -1044,31 +1045,27 @@ static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
/* validate routes */
- if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
- SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
+ if ((strnlen(elem->source, maxlen) == maxlen) ||
+ (strnlen(elem->sink, maxlen) == maxlen) ||
+ (strnlen(elem->control, maxlen) == maxlen)) {
ret = -EINVAL;
break;
}
- if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
- SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
- ret = -EINVAL;
- break;
- }
- if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
- SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
- ret = -EINVAL;
+
+ route->source = devm_kstrdup(tplg->dev, elem->source, GFP_KERNEL);
+ route->sink = devm_kstrdup(tplg->dev, elem->sink, GFP_KERNEL);
+ if (!route->source || !route->sink) {
+ ret = -ENOMEM;
break;
}
- route->source = elem->source;
- route->sink = elem->sink;
-
- /* set to NULL atm for tplg users */
- route->connected = NULL;
- if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
- route->control = NULL;
- else
- route->control = elem->control;
+ if (strnlen(elem->control, maxlen) != 0) {
+ route->control = devm_kstrdup(tplg->dev, elem->control, GFP_KERNEL);
+ if (!route->control) {
+ ret = -ENOMEM;
+ break;
+ }
+ }
/* add route dobj to dobj_list */
route->dobj.type = SND_SOC_DOBJ_GRAPH;