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ALSA: mixer: oss: Constify snd_mixer_oss_assign_table definition 

The snd_mixer_oss_assign_table is read-only, and can it be declared as
const.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-32-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-03 09:16:47 +01:00
Родитель f8ae2d2919
Коммит 454f5ec1d2
1 изменённых файлов: 8 добавлений и 6 удалений
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14
sound/core/oss/mixer_oss.c
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@ -486,7 +486,7 @@ struct slot {
unsigned int channels;
unsigned int numid[SNDRV_MIXER_OSS_ITEM_COUNT];
unsigned int capture_item;
struct snd_mixer_oss_assign_table *assigned;
const struct snd_mixer_oss_assign_table *assigned;
unsigned int allocated: 1;
};
@ -934,8 +934,8 @@ static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn)
struct slot *p = chn->private_data;
if (p) {
if (p->allocated && p->assigned) {
kfree(p->assigned->name);
kfree(p->assigned);
kfree_const(p->assigned->name);
kfree_const(p->assigned);
}
kfree(p);
}
@ -953,7 +953,7 @@ static void mixer_slot_clear(struct snd_mixer_oss_slot *rslot)
/* In a separate function to keep gcc 3.2 happy - do NOT merge this in
snd_mixer_oss_build_input! */
static int snd_mixer_oss_build_test_all(struct snd_mixer_oss *mixer,
struct snd_mixer_oss_assign_table *ptr,
const struct snd_mixer_oss_assign_table *ptr,
struct slot *slot)
{
char str[64];
@ -1017,7 +1017,9 @@ static int snd_mixer_oss_build_test_all(struct snd_mixer_oss *mixer,
* ptr_allocated means the entry is dynamically allocated (change via proc file).
* when replace_old = 1, the old entry is replaced with the new one.
*/
static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mixer_oss_assign_table *ptr, int ptr_allocated, int replace_old)
static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer,
const struct snd_mixer_oss_assign_table *ptr,
int ptr_allocated, int replace_old)
{
struct slot slot;
struct slot *pslot;
@ -1255,7 +1257,7 @@ static void snd_mixer_oss_proc_done(struct snd_mixer_oss *mixer)
static void snd_mixer_oss_build(struct snd_mixer_oss *mixer)
{
static struct snd_mixer_oss_assign_table table[] = {
static const struct snd_mixer_oss_assign_table table[] = {
{ SOUND_MIXER_VOLUME, "Master", 0 },
{ SOUND_MIXER_VOLUME, "Front", 0 }, /* fallback */
{ SOUND_MIXER_BASS, "Tone Control - Bass", 0 },