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-rw-r--r--include/sound/compress_params.h1
-rw-r--r--sound/core/compress_offload.c10
2 files changed, 11 insertions, 0 deletions
diff --git a/include/sound/compress_params.h b/include/sound/compress_params.h
index da4a456..602dc6c 100644
--- a/include/sound/compress_params.h
+++ b/include/sound/compress_params.h
@@ -72,6 +72,7 @@
#define SND_AUDIOCODEC_IEC61937 ((__u32) 0x0000000B)
#define SND_AUDIOCODEC_G723_1 ((__u32) 0x0000000C)
#define SND_AUDIOCODEC_G729 ((__u32) 0x0000000D)
+#define SND_AUDIOCODEC_MAX SND_AUDIOCODEC_G729
/*
* Profile and modes are listed with bit masks. This allows for a
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index bd7f28e..c40ae57 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -432,6 +432,16 @@ static int snd_compress_check_input(struct snd_compr_params *params)
params->buffer.fragments > SIZE_MAX / params->buffer.fragment_size)
return -EINVAL;
+ /* now codec parameters */
+ if (params->codec.id == 0 || params->codec.id > SND_AUDIOCODEC_MAX)
+ return -EINVAL;
+
+ if (params->codec.ch_in == 0 || params->codec.ch_out == 0)
+ return -EINVAL;
+
+ if (!(params->codec.sample_rate & SNDRV_PCM_RATE_8000_192000))
+ return -EINVAL;
+
return 0;
}