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authorTakashi Iwai <tiwai@suse.de>2017-06-07 15:21:31 +0300
committerTakashi Iwai <tiwai@suse.de>2017-06-09 11:42:53 +0300
commit0f470ce622230b7ebfb88ec8db8676e278867046 (patch)
tree2fcd3312728f08cd257d966bf7c47c7caa843121
parent965f19bed24d240c845401015e42ad5cb0cca00c (diff)
downloadlinux-0f470ce622230b7ebfb88ec8db8676e278867046.tar.xz
ALSA: intel8x0: 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>
-rw-r--r--sound/pci/intel8x0.c12
-rw-r--r--sound/pci/intel8x0m.c4
2 files changed, 8 insertions, 8 deletions
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 6d17b171c17b..a8d7092e93dd 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -1136,31 +1136,31 @@ static struct snd_pcm_hardware snd_intel8x0_stream =
.fifo_size = 0,
};
-static unsigned int channels4[] = {
+static const unsigned int channels4[] = {
2, 4,
};
-static struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
.count = ARRAY_SIZE(channels4),
.list = channels4,
.mask = 0,
};
-static unsigned int channels6[] = {
+static const unsigned int channels6[] = {
2, 4, 6,
};
-static struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
.count = ARRAY_SIZE(channels6),
.list = channels6,
.mask = 0,
};
-static unsigned int channels8[] = {
+static const unsigned int channels8[] = {
2, 4, 6, 8,
};
-static struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
.count = ARRAY_SIZE(channels8),
.list = channels8,
.mask = 0,
diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c
index 1bc98c867133..18ff668ce7a5 100644
--- a/sound/pci/intel8x0m.c
+++ b/sound/pci/intel8x0m.c
@@ -635,8 +635,8 @@ static struct snd_pcm_hardware snd_intel8x0m_stream =
static int snd_intel8x0m_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
{
- static unsigned int rates[] = { 8000, 9600, 12000, 16000 };
- static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
+ static const unsigned int rates[] = { 8000, 9600, 12000, 16000 };
+ static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
.count = ARRAY_SIZE(rates),
.list = rates,
.mask = 0,