ALSA: Compress - add codec parameter checks

Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 10 insertions, 0 deletions

diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index bd7f28e89254..c40ae573346d 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;
 }