diff options
Diffstat (limited to 'sound/pci/ctxfi/ctpcm.c')
| -rw-r--r-- | sound/pci/ctxfi/ctpcm.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index 974978041558..b36e37ae2b51 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -21,7 +21,7 @@ #include <sound/pcm.h> /* Hardware descriptions for playback */ -static struct snd_pcm_hardware ct_pcm_playback_hw = { +static const struct snd_pcm_hardware ct_pcm_playback_hw = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | @@ -46,7 +46,7 @@ static struct snd_pcm_hardware ct_pcm_playback_hw = { .fifo_size = 0, }; -static struct snd_pcm_hardware ct_spdif_passthru_playback_hw = { +static const struct snd_pcm_hardware ct_spdif_passthru_playback_hw = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | @@ -69,7 +69,7 @@ static struct snd_pcm_hardware ct_spdif_passthru_playback_hw = { }; /* Hardware descriptions for capture */ -static struct snd_pcm_hardware ct_pcm_capture_hw = { +static const struct snd_pcm_hardware ct_pcm_capture_hw = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | @@ -140,27 +140,28 @@ static int ct_pcm_playback_open(struct snd_pcm_substream *substream) err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); - if (err < 0) { - kfree(apcm); - return err; - } + if (err < 0) + goto free_pcm; + err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 1024, UINT_MAX); - if (err < 0) { - kfree(apcm); - return err; - } + if (err < 0) + goto free_pcm; apcm->timer = ct_timer_instance_new(atc->timer, apcm); if (!apcm->timer) { - kfree(apcm); - return -ENOMEM; + err = -ENOMEM; + goto free_pcm; } runtime->private_data = apcm; runtime->private_free = ct_atc_pcm_free_substream; return 0; + +free_pcm: + kfree(apcm); + return err; } static int ct_pcm_playback_close(struct snd_pcm_substream *substream) @@ -286,27 +287,28 @@ static int ct_pcm_capture_open(struct snd_pcm_substream *substream) err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); - if (err < 0) { - kfree(apcm); - return err; - } + if (err < 0) + goto free_pcm; + err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 1024, UINT_MAX); - if (err < 0) { - kfree(apcm); - return err; - } + if (err < 0) + goto free_pcm; apcm->timer = ct_timer_instance_new(atc->timer, apcm); if (!apcm->timer) { - kfree(apcm); - return -ENOMEM; + err = -ENOMEM; + goto free_pcm; } runtime->private_data = apcm; runtime->private_free = ct_atc_pcm_free_substream; return 0; + +free_pcm: + kfree(apcm); + return err; } static int ct_pcm_capture_close(struct snd_pcm_substream *substream) |