diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/intel/avs/topology.c | 19 | ||||
| -rw-r--r-- | sound/soc/soc-topology.c | 41 |
2 files changed, 37 insertions, 23 deletions
diff --git a/sound/soc/intel/avs/topology.c b/sound/soc/intel/avs/topology.c index 02bae207f6ec..b6c5d94a1554 100644 --- a/sound/soc/intel/avs/topology.c +++ b/sound/soc/intel/avs/topology.c @@ -1545,8 +1545,8 @@ static int avs_route_load(struct snd_soc_component *comp, int index, { struct snd_soc_acpi_mach *mach = dev_get_platdata(comp->card->dev); size_t len = SNDRV_CTL_ELEM_ID_NAME_MAXLEN; - char buf[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; int ssp_port, tdm_slot; + char *buf; /* See parse_link_formatted_string() for dynamic naming when(s). */ if (!avs_mach_singular_ssp(mach)) @@ -1557,13 +1557,24 @@ static int avs_route_load(struct snd_soc_component *comp, int index, return 0; tdm_slot = avs_mach_ssp_tdm(mach, ssp_port); + buf = devm_kzalloc(comp->card->dev, len, GFP_KERNEL); + if (!buf) + return -ENOMEM; avs_ssp_sprint(buf, len, route->source, ssp_port, tdm_slot); - strscpy((char *)route->source, buf, len); + route->source = buf; + + buf = devm_kzalloc(comp->card->dev, len, GFP_KERNEL); + if (!buf) + return -ENOMEM; avs_ssp_sprint(buf, len, route->sink, ssp_port, tdm_slot); - strscpy((char *)route->sink, buf, len); + route->sink = buf; + if (route->control) { + buf = devm_kzalloc(comp->card->dev, len, GFP_KERNEL); + if (!buf) + return -ENOMEM; avs_ssp_sprint(buf, len, route->control, ssp_port, tdm_slot); - strscpy((char *)route->control, buf, len); + route->control = buf; } return 0; diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index 90ca37e008b3..2ac442644ed4 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 +1045,33 @@ 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_kmemdup(tplg->dev, elem->source, + min(strlen(elem->source), maxlen), + GFP_KERNEL); + route->sink = devm_kmemdup(tplg->dev, elem->sink, + min(strlen(elem->sink), maxlen), + 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_kmemdup(tplg->dev, elem->control, + min(strlen(elem->control), maxlen), + GFP_KERNEL); + if (!route->control) { + ret = -ENOMEM; + break; + } + } /* add route dobj to dobj_list */ route->dobj.type = SND_SOC_DOBJ_GRAPH; |