ASoC: Fix null pointer dereference for prtd pointer
Private data pointer may not be initialized before access it in adsp_stream_cmd_put. NULL check for prtd avoids the issue. CRs-Fixed: 2250112 Change-Id: I0a033d7e867b183c329941b57b49232729191f1b Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
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@ -686,6 +686,7 @@ static int msm_pcm_open(struct snd_pcm_substream *substream)
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if (!prtd->audio_client) {
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pr_info("%s: Could not allocate memory\n", __func__);
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kfree(prtd);
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prtd = NULL;
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return -ENOMEM;
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}
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@ -1174,6 +1175,12 @@ static int msm_pcm_adsp_stream_cmd_put(struct snd_kcontrol *kcontrol,
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}
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prtd = substream->runtime->private_data;
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if (prtd == NULL) {
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pr_err("%s prtd is null.\n", __func__);
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ret = -EINVAL;
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goto done;
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}
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if (prtd->audio_client == NULL) {
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pr_err("%s prtd is null.\n", __func__);
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ret = -EINVAL;
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