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esound,streams: Fix some crashes.

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After the rework to the add pa_sink_input_new_data_set_sink() (and
the source equiv) calling with a NULL sink object will hit an assert.

This caused crashes with the esd protocol and there was the potential
(albeit unlikely) for a crash when creating a sink input without any
sinks available (module-always-sink mitigates this risk but it's still
a potential crasher).
This commit is contained in:
Colin Guthrie 2011-06-08 20:18:12 +01:00
parent 32927c50a8
commit ec4fa4c668
3 changed files with 14 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

9
src/pulsecore/sink-input.c
View file

@ -273,9 +273,11 @@ int pa_sink_input_new(
pa_return_val_if_fail(!data->driver || pa_utf8_valid(data->driver), -PA_ERR_INVALID);
if (!data->sink)
pa_sink_input_new_data_set_sink(data, pa_namereg_get(core, NULL, PA_NAMEREG_SINK), FALSE);
if (!data->sink) {
pa_sink *sink = pa_namereg_get(core, NULL, PA_NAMEREG_SINK);
pa_return_val_if_fail(sink, -PA_ERR_NOENTITY);
pa_sink_input_new_data_set_sink(data, sink, FALSE);
}
/* Routing's done, we have a sink. Now let's fix the format and set up the
* sample spec */
@ -298,7 +300,6 @@ int pa_sink_input_new(
pa_sink_input_new_data_set_sample_spec(data, &ss);
}
pa_return_val_if_fail(data->sink, -PA_ERR_NOENTITY);
pa_return_val_if_fail(PA_SINK_IS_LINKED(pa_sink_get_state(data->sink)), -PA_ERR_BADSTATE);
pa_return_val_if_fail(!data->sync_base || (data->sync_base->sink == data->sink && pa_sink_input_get_state(data->sync_base) == PA_SINK_INPUT_CORKED), -PA_ERR_INVALID);