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Fix NULL access crashes on ALSA MIDI close

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This commit is contained in:
Cacodemon345
2021-09-07 23:30:44 +06:00
committed by GitHub
parent 81051f33e0
commit eea72da77b
1 changed files with 6 additions and 3 deletions
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9
src/unix/linux_midi_alsa.c
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@@ -298,14 +298,17 @@ void plat_midi_input_init(void)
void plat_midi_input_close(void)
{
thread_wait_mutex(midiinmtx);
if (midiinmtx) thread_wait_mutex(midiinmtx);
if (midiin != NULL)
{
snd_rawmidi_close(midiin);
midiin = NULL;
}
thread_release_mutex(midiinmtx);
thread_close_mutex(midiinmtx);
if (midiinmtx)
{
thread_release_mutex(midiinmtx);
thread_close_mutex(midiinmtx);
}
midiinmtx = NULL;
}