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ASoC: SOF: amd: Fix NULL pointer crash in acp_sof_ipc_msg_data function 

Check substream and runtime variables before assigning.

Signed-off-by: V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com
Link: https://lore.kernel.org/r/20230508070510.6100-1-Vsujithkumar.Reddy@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org
This commit is contained in:
V sujith kumar Reddy 2023-05-08 12:35:08 +05:30 committed by Mark Brown
parent 17955aba78
commit 051d71e073
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GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 1 deletions
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7
sound/soc/sof/amd/acp-ipc.c
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@ -209,7 +209,12 @@ int acp_sof_ipc_msg_data(struct snd_sof_dev *sdev, struct snd_sof_pcm_stream *sp
acp_mailbox_read(sdev, offset, p, sz);
} else {
struct snd_pcm_substream *substream = sps->substream;
struct acp_dsp_stream *stream = substream->runtime->private_data;
struct acp_dsp_stream *stream;
if (!substream || !substream->runtime)
return -ESTRPIPE;
stream = substream->runtime->private_data;
if (!stream)
return -ESTRPIPE;