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module-loopback: Reset process_msg callbacks in teardown

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Make sure we can't be called into by remaining references to
sink-inputs and source-outputs after we have unloaded, as
that will likely lead to segfaults.

Thanks to Tanu for providing valuable input on this patch.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
This commit is contained in:
David Henningsson 2012-04-03 18:56:21 +02:00
parent b762f4eef1
commit e815a1f81a
1 changed files with 2 additions and 0 deletions
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2
src/modules/module-loopback.c
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@ -152,11 +152,13 @@ static void teardown(struct userdata *u) {
pa_source_output_unlink(u->source_output); pa_source_output_unlink(u->source_output);
if (u->sink_input) { if (u->sink_input) {
u->sink_input->parent.process_msg = pa_sink_input_process_msg;
pa_sink_input_unref(u->sink_input); pa_sink_input_unref(u->sink_input);
u->sink_input = NULL; u->sink_input = NULL;
} }
if (u->source_output) { if (u->source_output) {
u->source_output->parent.process_msg = pa_source_output_process_msg;
pa_source_output_unref(u->source_output); pa_source_output_unref(u->source_output);
u->source_output = NULL; u->source_output = NULL;
} }