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ASoC: topology: Check return value of soc_tplg_*_create

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[ Upstream commit 2ae548f30d7f6973388fc3769bb3c2f6fd13652b ]

Functions soc_tplg_denum_create, soc_tplg_dmixer_create,
soc_tplg_dbytes_create can fail, so their return values should be
checked and error should be propagated.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200327204729.397-4-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Amadeusz Sławiński 2020-03-27 16:47:26 -04:00 • committed by Greg Kroah-Hartman
commit 76336d4fa8
1 changed files with 12 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

18
sound/soc/soc-topology.c
View file

@ -1123,6 +1123,7 @@ static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
struct snd_soc_tplg_ctl_hdr *control_hdr;
int ret;
int i;
if (tplg->pass != SOC_TPLG_PASS_MIXER) {
@ -1151,25 +1152,30 @@ static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
case SND_SOC_TPLG_CTL_RANGE:
case SND_SOC_TPLG_DAPM_CTL_VOLSW:
case SND_SOC_TPLG_DAPM_CTL_PIN:
soc_tplg_dmixer_create(tplg, 1,
le32_to_cpu(hdr->payload_size));
ret = soc_tplg_dmixer_create(tplg, 1,
le32_to_cpu(hdr->payload_size));
break;
case SND_SOC_TPLG_CTL_ENUM:
case SND_SOC_TPLG_CTL_ENUM_VALUE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
soc_tplg_denum_create(tplg, 1,
le32_to_cpu(hdr->payload_size));
ret = soc_tplg_denum_create(tplg, 1,
le32_to_cpu(hdr->payload_size));
break;
case SND_SOC_TPLG_CTL_BYTES:
soc_tplg_dbytes_create(tplg, 1,
le32_to_cpu(hdr->payload_size));
ret = soc_tplg_dbytes_create(tplg, 1,
le32_to_cpu(hdr->payload_size));
break;
default:
soc_bind_err(tplg, control_hdr, i);
return -EINVAL;
}
if (ret < 0) {
dev_err(tplg->dev, "ASoC: invalid control\n");
return ret;
}
}
return 0;