Messages in this thread Patch in this message | | | From | SF Markus Elfring <> | Subject | [PATCH] ALSA: ctxfi: Use common error handling code in two functions | Date | Tue, 22 Aug 2017 18:50:16 +0200 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Tue, 22 Aug 2017 18:43:42 +0200
Add jump targets so that a bit of exception handling can be better reused at the end of these functions.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- sound/pci/ctxfi/ctpcm.c | 42 ++++++++++++++++++++++-------------------- 1 file changed, 22 insertions(+), 20 deletions(-)
diff --git a/sound/pci/ctxfi/ctpcm.c b/sound/pci/ctxfi/ctpcm.c index 974978041558..dece6a81060d 100644 --- a/sound/pci/ctxfi/ctpcm.c +++ b/sound/pci/ctxfi/ctpcm.c @@ -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) -- 2.14.0
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