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{input,mixer}/alsa: fix off-by-one bug in count check

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Doesn't make a practical difference - but it's more correct this way.
This commit is contained in:
Max Kellermann
2017-02-08 17:04:46 +01:00
parent 81a97315e3
commit 76a1cae5d8
2 changed files with 2 additions and 2 deletions
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2
src/mixer/plugins/AlsaMixerPlugin.cxx
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@@ -102,7 +102,7 @@ AlsaMixerMonitor::PrepareSockets()
}
int count = snd_mixer_poll_descriptors_count(mixer);
if (count < 0)
if (count <= 0)
count = 0;
struct pollfd *pfds = pfd_buffer.Get(count);