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output/alsa: fix wrong use of `errno` 

alsa-lib doesn't set errno, it returns errors as negative integers.
This commit is contained in:
Max Kellermann 2018-11-14 10:06:27 +01:00
parent 6ccc254179
commit 7f143a83c1
1 changed files with 1 additions and 1 deletions
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2
src/output/plugins/AlsaOutputPlugin.cxx
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@ -727,7 +727,7 @@ AlsaOutput::DrainInternal()
/* drain period_buffer */
if (!period_buffer.IsEmpty()) {
auto frames_written = WriteFromPeriodBuffer();
if (frames_written < 0 && errno != EAGAIN) {
if (frames_written < 0 && frames_written != -EAGAIN) {
CancelInternal();
return true;
}