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ASoC: topology: Clean up route loading

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commit e0e7bc2cbe upstream.

Instead of using very long macro name, assign it to shorter variable
and use it instead. While doing that, we can reduce multiple if checks
using this define to one.

Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20240603102818.36165-5-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Amadeusz Sławiński 2024-06-03 12:28:18 +02:00 committed by Greg Kroah-Hartman
parent d2a2a4714d
commit bd865c7690
1 changed files with 8 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
sound/soc/soc-topology.c
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@ -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;
@ -1044,38 +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) {
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) {
if ((strnlen(elem->source, maxlen) == maxlen) ||
(strnlen(elem->sink, maxlen) == maxlen) ||
(strnlen(elem->control, maxlen) == maxlen)) {
ret = -EINVAL;
break;
}
route->source = devm_kmemdup(tplg->dev, elem->source,
min(strlen(elem->source),
SNDRV_CTL_ELEM_ID_NAME_MAXLEN),
min(strlen(elem->source), maxlen),
GFP_KERNEL);
route->sink = devm_kmemdup(tplg->dev, elem->sink,
min(strlen(elem->sink), SNDRV_CTL_ELEM_ID_NAME_MAXLEN),
min(strlen(elem->sink), maxlen),
GFP_KERNEL);
if (!route->source || !route->sink) {
ret = -ENOMEM;
break;
}
if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) != 0) {
if (strnlen(elem->control, maxlen) != 0) {
route->control = devm_kmemdup(tplg->dev, elem->control,
min(strlen(elem->control),
SNDRV_CTL_ELEM_ID_NAME_MAXLEN),
min(strlen(elem->control), maxlen),
GFP_KERNEL);
if (!route->control) {
ret = -ENOMEM;