cbuf: fix compiler warning

1 files changed, 1 insertions, 1 deletions

diff --git a/cbuf.c b/cbuf.c
index edba724..46d7e6c 100644
--- a/cbuf.c
+++ b/cbuf.c
@@ -84,7 +84,7 @@ cbuf_push(struct cbuf *cbuf, const void *buf, size_t size, bool erase)
 int
 cbuf_pop(struct cbuf *cbuf, void *buf, size_t *sizep)
 {
-    int error;
+    __unused int error;
 
     if (cbuf_size(cbuf) == 0) {
         return ERROR_AGAIN;