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-rw-r--r--src/pcm_buffer.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/pcm_buffer.c b/src/pcm_buffer.c
index a71a10cb3..c22157352 100644
--- a/src/pcm_buffer.c
+++ b/src/pcm_buffer.c
@@ -19,6 +19,7 @@
#include "config.h"
#include "pcm_buffer.h"
+#include "poison.h"
/**
* Align the specified size to the next 8k boundary.
@@ -41,6 +42,9 @@ pcm_buffer_get(struct pcm_buffer *buffer, size_t size)
buffer->size = align_8k(size);
buffer->buffer = g_malloc(buffer->size);
+ } else {
+ /* discard old buffer contents */
+ poison_undefined(buffer->buffer, buffer->size);
}
assert(buffer->size >= size);