diff options
| author | Vinod Koul <vinod.koul@intel.com> | 2014-06-19 14:41:00 +0530 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-06-23 12:15:33 +0200 |
| commit | 2da38e0c9465b89518b29328daeb7da0ca1690b7 (patch) | |
| tree | 52194a07ecf750604b7f30394352acd0b78e7232 /include/uapi/sound/compress_params.h | |
| parent | 8d42fda9ea9820d271a40f0bf7ed436647f2ddb9 (diff) | |
ALSA: compress: fix the struct alignment to 4 bytes
In 64bit systems the compiler can default align to 8bytes causing mis-match with
32bit usermode. Avoid this is future by ensuring all the structures shared with
usermode are packed and aligned to 4 bytes irrespective of arch used
[coding style fixes by tiwai]
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/uapi/sound/compress_params.h')
| -rw-r--r-- | include/uapi/sound/compress_params.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/include/uapi/sound/compress_params.h b/include/uapi/sound/compress_params.h index 165e7059de75..d9bd9ca0d5b0 100644 --- a/include/uapi/sound/compress_params.h +++ b/include/uapi/sound/compress_params.h @@ -268,7 +268,7 @@ struct snd_enc_vorbis { __u32 max_bit_rate; __u32 min_bit_rate; __u32 downmix; -}; +} __attribute__((packed, aligned(4))); /** @@ -284,7 +284,7 @@ struct snd_enc_real { __u32 quant_bits; __u32 start_region; __u32 num_regions; -}; +} __attribute__((packed, aligned(4))); /** * struct snd_enc_flac @@ -308,12 +308,12 @@ struct snd_enc_real { struct snd_enc_flac { __u32 num; __u32 gain; -}; +} __attribute__((packed, aligned(4))); struct snd_enc_generic { __u32 bw; /* encoder bandwidth */ __s32 reserved[15]; -}; +} __attribute__((packed, aligned(4))); union snd_codec_options { struct snd_enc_wma wma; @@ -321,7 +321,7 @@ union snd_codec_options { struct snd_enc_real real; struct snd_enc_flac flac; struct snd_enc_generic generic; -}; +} __attribute__((packed, aligned(4))); /** struct snd_codec_desc - description of codec capabilities * @max_ch: Maximum number of audio channels @@ -358,7 +358,7 @@ struct snd_codec_desc { __u32 formats; __u32 min_buffer; __u32 reserved[15]; -}; +} __attribute__((packed, aligned(4))); /** struct snd_codec * @id: Identifies the supported audio encoder/decoder. @@ -399,6 +399,6 @@ struct snd_codec { __u32 align; union snd_codec_options options; __u32 reserved[3]; -}; +} __attribute__((packed, aligned(4))); #endif |