[alsa-devel] [PATCH 21/31] ALSA: ice1724: Constify hw_constraints
Takashi Iwai
tiwai at suse.de
Thu Jun 8 23:08:42 CEST 2017
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 at suse.de>
---
sound/pci/ice1712/ice1724.c | 8 ++++----
sound/pci/ice1712/juli.c | 6 +++---
sound/pci/ice1712/maya44.c | 4 ++--
sound/pci/ice1712/quartet.c | 6 +++---
4 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index 785188140f6b..057c2f394ea7 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -521,25 +521,25 @@ static irqreturn_t snd_vt1724_interrupt(int irq, void *dev_id)
* PCM code - professional part (multitrack)
*/
-static unsigned int rates[] = {
+static const unsigned int rates[] = {
8000, 9600, 11025, 12000, 16000, 22050, 24000,
32000, 44100, 48000, 64000, 88200, 96000,
176400, 192000,
};
-static struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_rates_96 = {
.count = ARRAY_SIZE(rates) - 2, /* up to 96000 */
.list = rates,
.mask = 0,
};
-static struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_rates_48 = {
.count = ARRAY_SIZE(rates) - 5, /* up to 48000 */
.list = rates,
.mask = 0,
};
-static struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_rates_192 = {
.count = ARRAY_SIZE(rates),
.list = rates,
.mask = 0,
diff --git a/sound/pci/ice1712/juli.c b/sound/pci/ice1712/juli.c
index 4f0213427152..5bb146703738 100644
--- a/sound/pci/ice1712/juli.c
+++ b/sound/pci/ice1712/juli.c
@@ -133,19 +133,19 @@ struct juli_spec {
/*
* Initial setup of the conversion array GPIO <-> rate
*/
-static unsigned int juli_rates[] = {
+static const unsigned int juli_rates[] = {
16000, 22050, 24000, 32000,
44100, 48000, 64000, 88200,
96000, 176400, 192000,
};
-static unsigned int gpio_vals[] = {
+static const unsigned int gpio_vals[] = {
GPIO_RATE_16000, GPIO_RATE_22050, GPIO_RATE_24000, GPIO_RATE_32000,
GPIO_RATE_44100, GPIO_RATE_48000, GPIO_RATE_64000, GPIO_RATE_88200,
GPIO_RATE_96000, GPIO_RATE_176400, GPIO_RATE_192000,
};
-static struct snd_pcm_hw_constraint_list juli_rates_info = {
+static const struct snd_pcm_hw_constraint_list juli_rates_info = {
.count = ARRAY_SIZE(juli_rates),
.list = juli_rates,
.mask = 0,
diff --git a/sound/pci/ice1712/maya44.c b/sound/pci/ice1712/maya44.c
index 7de25c4807fd..0e30419f6bbd 100644
--- a/sound/pci/ice1712/maya44.c
+++ b/sound/pci/ice1712/maya44.c
@@ -661,12 +661,12 @@ static void set_rate(struct snd_ice1712 *ice, unsigned int rate)
* supported sample rates (to override the default one)
*/
-static unsigned int rates[] = {
+static const unsigned int rates[] = {
32000, 44100, 48000, 64000, 88200, 96000, 176400, 192000
};
/* playback rates: 32..192 kHz */
-static struct snd_pcm_hw_constraint_list dac_rates = {
+static const struct snd_pcm_hw_constraint_list dac_rates = {
.count = ARRAY_SIZE(rates),
.list = rates,
.mask = 0
diff --git a/sound/pci/ice1712/quartet.c b/sound/pci/ice1712/quartet.c
index 7c387b04067e..f1b3732cc6d2 100644
--- a/sound/pci/ice1712/quartet.c
+++ b/sound/pci/ice1712/quartet.c
@@ -231,17 +231,17 @@ static char *get_binary(char *buffer, int value)
/*
* Initial setup of the conversion array GPIO <-> rate
*/
-static unsigned int qtet_rates[] = {
+static const unsigned int qtet_rates[] = {
44100, 48000, 88200,
96000, 176400, 192000,
};
-static unsigned int cks_vals[] = {
+static const unsigned int cks_vals[] = {
CPLD_CKS_44100HZ, CPLD_CKS_48000HZ, CPLD_CKS_88200HZ,
CPLD_CKS_96000HZ, CPLD_CKS_176400HZ, CPLD_CKS_192000HZ,
};
-static struct snd_pcm_hw_constraint_list qtet_rates_info = {
+static const struct snd_pcm_hw_constraint_list qtet_rates_info = {
.count = ARRAY_SIZE(qtet_rates),
.list = qtet_rates,
.mask = 0,
--
2.13.0
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