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authorTakashi Iwai <tiwai@suse.de>2017-06-07 14:20:07 +0200
committerTakashi Iwai <tiwai@suse.de>2017-06-09 10:42:52 +0200
commit50c697adfb7770a28081f73e7f9f6ddc5b55cfc5 (patch)
treeb3a21c0de990cd251ab22f0abba5c1a6400e0cb9 /sound/pci
parent44d715074d4006d30d3eaa35412f2d31896245ad (diff)
downloadlinux-50c697adfb7770a28081f73e7f9f6ddc5b55cfc5.tar.bz2
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>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/patch_hdmi.c10
-rw-r--r--sound/pci/hda/patch_si3054.c4
2 files changed, 7 insertions, 7 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 90e4ff87445e..0d7955eec201 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:
diff --git a/sound/pci/hda/patch_si3054.c b/sound/pci/hda/patch_si3054.c
index ffda38c45509..f63acb1b965c 100644
--- a/sound/pci/hda/patch_si3054.c
+++ b/sound/pci/hda/patch_si3054.c
@@ -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,