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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
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10
sound/pci/hda/patch_hdmi.c
View File

@ -2782,21 +2782,21 @@ static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
return 0;
}
static unsigned int channels_2_6_8[] = {
static const unsigned int channels_2_6_8[] = {
2, 6, 8
};
static unsigned int channels_2_8[] = {
static const unsigned int channels_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),
.list = channels_2_6_8,
.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),
.list = channels_2_8,
.mask = 0,
@ -2807,7 +2807,7 @@ static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
struct snd_pcm_substream *substream)
{
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) {
case 0x10de0002:

4
sound/pci/hda/patch_si3054.c
View File

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