[alsa-devel] [PATCH 30/31] ALSA: via82xx: Constify hw_constraints
Takashi Iwai
tiwai at suse.de
Thu Jun 8 23:08:51 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/via82xx.c | 4 ++--
sound/pci/via82xx_modem.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
index b6c84d15b10b..c767b8664359 100644
--- a/sound/pci/via82xx.c
+++ b/sound/pci/via82xx.c
@@ -1286,10 +1286,10 @@ static int snd_via8233_multi_open(struct snd_pcm_substream *substream)
/* channels constraint for VIA8233A
* 3 and 5 channels are not supported
*/
- static unsigned int channels[] = {
+ static const unsigned int channels[] = {
1, 2, 4, 6
};
- static struct snd_pcm_hw_constraint_list hw_constraints_channels = {
+ static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
.count = ARRAY_SIZE(channels),
.list = channels,
.mask = 0,
diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c
index 2f6d40f10618..55f79b2599e7 100644
--- a/sound/pci/via82xx_modem.c
+++ b/sound/pci/via82xx_modem.c
@@ -744,8 +744,8 @@ static int snd_via82xx_modem_pcm_open(struct via82xx_modem *chip, struct viadev
{
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
- 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,
--
2.13.0
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