ALSA pcm core has hw_param_interval_c() to pick up parameter with const qualifier for safe programming.
This commit applies it to the cases.
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp --- sound/core/oss/pcm_oss.c | 4 ++-- sound/core/pcm_drm_eld.c | 8 ++++---- sound/core/pcm_lib.c | 3 ++- sound/core/pcm_native.c | 3 ++- 4 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 36baf96..2a47351 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -799,7 +799,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, static int choose_rate(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, unsigned int best_rate) { - struct snd_interval *it; + const struct snd_interval *it; struct snd_pcm_hw_params *save; unsigned int rate, prev;
@@ -807,7 +807,7 @@ static int choose_rate(struct snd_pcm_substream *substream, if (save == NULL) return -ENOMEM; *save = *params; - it = hw_param_interval(save, SNDRV_PCM_HW_PARAM_RATE); + it = hw_param_interval_c(save, SNDRV_PCM_HW_PARAM_RATE);
/* try multiples of the best rate */ rate = best_rate; diff --git a/sound/core/pcm_drm_eld.c b/sound/core/pcm_drm_eld.c index e70379f..9881d08 100644 --- a/sound/core/pcm_drm_eld.c +++ b/sound/core/pcm_drm_eld.c @@ -29,13 +29,13 @@ static int eld_limit_rates(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { struct snd_interval *r = hw_param_interval(params, rule->var); - struct snd_interval *c; + const struct snd_interval *c; unsigned int rate_mask = 7, i; const u8 *sad, *eld = rule->private;
sad = drm_eld_sad(eld); if (sad) { - c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + c = hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_CHANNELS);
for (i = drm_eld_sad_count(eld); i > 0; i--, sad += 3) { unsigned max_channels = sad_max_channels(sad); @@ -57,7 +57,7 @@ static int eld_limit_channels(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { struct snd_interval *c = hw_param_interval(params, rule->var); - struct snd_interval *r; + const struct snd_interval *r; struct snd_interval t = { .min = 1, .max = 2, .integer = 1, }; unsigned int i; const u8 *sad, *eld = rule->private; @@ -67,7 +67,7 @@ static int eld_limit_channels(struct snd_pcm_hw_params *params, unsigned int rate_mask = 0;
/* Convert the rate interval to a mask */ - r = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + r = hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_RATE); for (i = 0; i < ARRAY_SIZE(eld_rates); i++) if (r->min <= eld_rates[i] && r->max >= eld_rates[i]) rate_mask |= BIT(i); diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index a62f1f4..9659fa6 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1415,7 +1415,8 @@ static int snd_pcm_hw_rule_msbits(struct snd_pcm_hw_params *params, unsigned int l = (unsigned long) rule->private; int width = l & 0xffff; unsigned int msbits = l >> 16; - struct snd_interval *i = hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS); + const struct snd_interval *i = + hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS);
if (!snd_interval_single(i)) return 0; diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 028d6a5..65133c2 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -2073,7 +2073,8 @@ static int snd_pcm_hw_rule_format(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { unsigned int k; - struct snd_interval *i = hw_param_interval(params, rule->deps[0]); + const struct snd_interval *i = + hw_param_interval_c(params, rule->deps[0]); struct snd_mask m; struct snd_mask *mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); snd_mask_any(&m);