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authorV sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>2023-05-08 12:35:08 +0530
committerMark Brown <broonie@kernel.org>2023-05-09 14:43:33 +0900
commit051d71e073614a72ad423d6dacba37a7eeff274d (patch)
treefe912fbdca42d3d636522a9cc86218cb6c19b97b /sound
parent17955aba7877a4494d8093ae5498e19469b01d57 (diff)
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
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/sof/amd/acp-ipc.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/sound/soc/sof/amd/acp-ipc.c b/sound/soc/sof/amd/acp-ipc.c
index 4e0c48a36159..749e856dc601 100644
--- a/sound/soc/sof/amd/acp-ipc.c
+++ b/sound/soc/sof/amd/acp-ipc.c
@@ -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;