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Commit fb4a9779 authored by Vinod Koul's avatar Vinod Koul Committed by Takashi Iwai
Browse files

ALSA: Compress - add codec parameter checks 



Signed-off-by: default avatarVinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 4dc040a0

include/sound/compress_params.h

+1 −0
Original line number Diff line number Diff line
@@ -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

sound/core/compress_offload.c

+10 −0
Original line number Diff line number Diff line
@@ -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;

}