ALSA: hda: Constify hw_constraints

snd_pcm_hw_constraint_list(), *_ratnums() and *_ratdens() receive the
const pointers.  Constify the corresponding static objects for better
hardening.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2017-06-07 14:20:07 +02:00
parent 44d715074d
commit 50c697adfb
2 changed files with 7 additions and 7 deletions

View File

@ -2782,21 +2782,21 @@ static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
return 0; return 0;
} }
static unsigned int channels_2_6_8[] = { static const unsigned int channels_2_6_8[] = {
2, 6, 8 2, 6, 8
}; };
static unsigned int channels_2_8[] = { static const unsigned int channels_2_8[] = {
2, 8 2, 8
}; };
static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = { static const struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
.count = ARRAY_SIZE(channels_2_6_8), .count = ARRAY_SIZE(channels_2_6_8),
.list = channels_2_6_8, .list = channels_2_6_8,
.mask = 0, .mask = 0,
}; };
static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = { static const struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
.count = ARRAY_SIZE(channels_2_8), .count = ARRAY_SIZE(channels_2_8),
.list = channels_2_8, .list = channels_2_8,
.mask = 0, .mask = 0,
@ -2807,7 +2807,7 @@ static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
struct snd_pcm_substream *substream) struct snd_pcm_substream *substream)
{ {
struct hdmi_spec *spec = codec->spec; struct hdmi_spec *spec = codec->spec;
struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL; const struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
switch (codec->preset->vendor_id) { switch (codec->preset->vendor_id) {
case 0x10de0002: case 0x10de0002:

View File

@ -169,8 +169,8 @@ static int si3054_pcm_open(struct hda_pcm_stream *hinfo,
struct hda_codec *codec, struct hda_codec *codec,
struct snd_pcm_substream *substream) struct snd_pcm_substream *substream)
{ {
static unsigned int rates[] = { 8000, 9600, 16000 }; static const unsigned int rates[] = { 8000, 9600, 16000 };
static struct snd_pcm_hw_constraint_list hw_constraints_rates = { static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
.count = ARRAY_SIZE(rates), .count = ARRAY_SIZE(rates),
.list = rates, .list = rates,
.mask = 0, .mask = 0,