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This fixes a crash that occurred when trying to access non-existent
port data. Doing this:
pa_alsa_port_data *data = PA_DEVICE_PORT_DATA(port);
is not a good idea when using UCM, because in the UCM mode ports don't
have any data, so the data pointer points to some random memory.
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|---|---|---|
| .. | ||
| mixer | ||
| alsa-mixer.c | ||
| alsa-mixer.h | ||
| alsa-sink.c | ||
| alsa-sink.h | ||
| alsa-source.c | ||
| alsa-source.h | ||
| alsa-ucm.c | ||
| alsa-ucm.h | ||
| alsa-util.c | ||
| alsa-util.h | ||
| module-alsa-card.c | ||
| module-alsa-sink.c | ||
| module-alsa-source.c | ||