[PATCH] docs/core-api: Fix circular buffer examples

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From: Carlos Bilbao <carlos.bilbao@xxxxxxxxxx>

Fix circular buffer usage in producer/consumer examples in
circular-buffers.rst. They incorrectly access items using buffer[head] and
buffer[tail], as if buffer was a flat array; but the examples also use
buffer->head and buffer->tail, so it's a struct. Use buffer->vals[head] and
buffer->vals[tail] instead to match the intended layout.

Signed-off-by: Carlos Bilbao <carlos.bilbao@xxxxxxxxxx>
---
 Documentation/core-api/circular-buffers.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/core-api/circular-buffers.rst b/Documentation/core-api/circular-buffers.rst
index 50966f66e398..b697915a2bd0 100644
--- a/Documentation/core-api/circular-buffers.rst
+++ b/Documentation/core-api/circular-buffers.rst
@@ -161,7 +161,7 @@ The producer will look something like this::
 
 	if (CIRC_SPACE(head, tail, buffer->size) >= 1) {
 		/* insert one item into the buffer */
-		struct item *item = buffer[head];
+		struct item *item = buffer->vals[head];
 
 		produce_item(item);
 
@@ -203,7 +203,7 @@ The consumer will look something like this::
 	if (CIRC_CNT(head, tail, buffer->size) >= 1) {
 
 		/* extract one item from the buffer */
-		struct item *item = buffer[tail];
+		struct item *item = buffer->vals[tail];
 
 		consume_item(item);
 
-- 
2.43.0





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