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(tinyalsa) Add early return

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This commit is contained in:
twinaphex 2017-06-24 21:08:36 +02:00
parent 89b345e262
commit b7666b56d1
1 changed files with 16 additions and 12 deletions
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28
audio/drivers/tinyalsa.c
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@ -88,21 +88,25 @@ error:
static ssize_t static ssize_t
tinyalsa_write(void *data, const void *buf_, size_t size_) tinyalsa_write(void *data, const void *buf_, size_t size_)
{ {
tinyalsa_t *tinyalsa = (tinyalsa_t*)data; tinyalsa_t *tinyalsa = (tinyalsa_t*)data;
const uint8_t *buf = (const uint8_t*)buf_; const uint8_t *buf = (const uint8_t*)buf_;
pcm_sframes_t written = 0, frames = 0; pcm_sframes_t written = 0, frames = 0;
pcm_sframes_t size = BYTES_TO_FRAMES(size_, tinyalsa->frame_bits); pcm_sframes_t size = BYTES_TO_FRAMES(size_, tinyalsa->frame_bits);
size_t frames_size = tinyalsa->has_float ? sizeof(float) : sizeof(int16_t); size_t frames_size = tinyalsa->has_float ? sizeof(float) : sizeof(int16_t);
while (size) { while (size)
frames = pcm_writei(tinyalsa->pcm, buf, size); {
frames = pcm_writei(tinyalsa->pcm, buf, size);
written += frames; if (frames < 0)
buf += (frames << 1) * frames_size; return -1;
size -= frames;
}
return written; written += frames;
buf += (frames << 1) * frames_size;
size -= frames;
}
return written;
} }