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ALSA: Compress - add codec parameter checks

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Conflicts:
	include/sound/compress_params.h

Change-Id: Iae0b0b447438e77c5f58d355a445bbe37a0bace1
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Krishnankutty Kolathappilly <kkolat@codeaurora.org>
This commit is contained in:
Vinod Koul
2013-11-01 10:09:01 -07:00
committed by Krishnankutty Kolathappilly
parent 213332bc95
commit 2b836f2ee0
2 changed files with 11 additions and 0 deletions
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include/sound/compress_params.h
+1
View File
@@ -91,6 +91,7 @@
#define SND_AUDIOCODEC_DTS_LBR_PASS_THROUGH ((__u32) 0x00000017)
#define SND_AUDIOCODEC_EAC3 ((__u32) 0x00000018)
#define SND_AUDIOCODEC_MAX SND_AUDIOCODEC_EAC3
/*
* Profile and modes are listed with bit masks. This allows for a
* more compact representation of fields that will not evolve
sound/core/compress_offload.c
+10
View File
@@ -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;
}