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-rw-r--r--src/pulsecore/sink-input.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pulsecore/sink-input.h b/src/pulsecore/sink-input.h
index 62464ca2..8545dea3 100644
--- a/src/pulsecore/sink-input.h
+++ b/src/pulsecore/sink-input.h
@@ -103,7 +103,7 @@ struct pa_sink_input {
* before peek() if it is called at all. Only called if the sink
* input driver ever plans to call
* pa_sink_input_request_rewrite(). Called from IO context. */
- void (*rewind) (pa_sink_input *i, size_t nbytes);
+ void (*rewind) (pa_sink_input *i, size_t nbytes); /* may be NULL */
/* Called whenever the maximum rewindable size of the sink
* changes. Called from UI context. */