ALSA: cmipci: Constify hw_constraints
authorTakashi Iwai <tiwai@suse.de>
Wed, 7 Jun 2017 12:18:47 +0000 (14:18 +0200)
committerTakashi Iwai <tiwai@suse.de>
Fri, 9 Jun 2017 08:42:50 +0000 (10:42 +0200)
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>
sound/pci/cmipci.c

index 745a0a3743b479cd9e8bd846fbec7e53f1b9eb53..a460cb63e971ac7da04447f301627d86285bc226 100644 (file)
@@ -719,18 +719,18 @@ static int snd_cmipci_hw_free(struct snd_pcm_substream *substream)
 /*
  */
 
-static unsigned int hw_channels[] = {1, 2, 4, 6, 8};
-static struct snd_pcm_hw_constraint_list hw_constraints_channels_4 = {
+static const unsigned int hw_channels[] = {1, 2, 4, 6, 8};
+static const struct snd_pcm_hw_constraint_list hw_constraints_channels_4 = {
        .count = 3,
        .list = hw_channels,
        .mask = 0,
 };
-static struct snd_pcm_hw_constraint_list hw_constraints_channels_6 = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_channels_6 = {
        .count = 4,
        .list = hw_channels,
        .mask = 0,
 };
-static struct snd_pcm_hw_constraint_list hw_constraints_channels_8 = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_channels_8 = {
        .count = 5,
        .list = hw_channels,
        .mask = 0,
@@ -1597,9 +1597,9 @@ static struct snd_pcm_hardware snd_cmipci_capture_spdif =
        .fifo_size =            0,
 };
 
-static unsigned int rate_constraints[] = { 5512, 8000, 11025, 16000, 22050,
+static const unsigned int rate_constraints[] = { 5512, 8000, 11025, 16000, 22050,
                        32000, 44100, 48000, 88200, 96000, 128000 };
-static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
                .count = ARRAY_SIZE(rate_constraints),
                .list = rate_constraints,
                .mask = 0,