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>
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 90e4ff8..0d7955e 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -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: