ALSA: emu10k1: 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/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c
index bdda29f..5c9054a 100644 (file)
--- a/sound/pci/emu10k1/emupcm.c
+++ b/sound/pci/emu10k1/emupcm.c
@@ -164,7 +164,7 @@ static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voic
        return 0;
 }
 
-static unsigned int capture_period_sizes[31] = {
+static const unsigned int capture_period_sizes[31] = {
        384,    448,    512,    640,
        384*2,  448*2,  512*2,  640*2,
        384*4,  448*4,  512*4,  640*4,
@@ -175,17 +175,17 @@ static unsigned int capture_period_sizes[31] = {
        384*128,448*128,512*128
 };
 
-static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
        .count = 31,
        .list = capture_period_sizes,
        .mask = 0
 };
 
-static unsigned int capture_rates[8] = {
+static const unsigned int capture_rates[8] = {
        8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 };
 
-static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
        .count = 8,
        .list = capture_rates,
        .mask = 0