[PATCH v3 13/15] compressdev: add allocation function attributes

[Stephen Hemminger <stephen@networkplumber.org>]

Use function attributes to catch cases where compressdev is allocated
but not freed correctly.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/compressdev/rte_comp.h | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/lib/compressdev/rte_comp.h b/lib/compressdev/rte_comp.h
index d66a4b1cb9..f86e773b28 100644
--- a/lib/compressdev/rte_comp.h
+++ b/lib/compressdev/rte_comp.h
@@ -480,6 +480,19 @@ struct __rte_cache_aligned rte_comp_op {
 	 */
 };
 
+
+/**
+ * Free operation structure
+ * If operation has been allocate from a rte_mempool, then the operation will
+ * be returned to the mempool.
+ *
+ * @param op
+ *   Compress operation pointer allocated from rte_comp_op_alloc()
+ *   If op is NULL, no operation is performed.
+ */
+void
+rte_comp_op_free(struct rte_comp_op *op);
+
 /**
  * Creates an operation pool
  *
@@ -501,7 +514,8 @@ struct __rte_cache_aligned rte_comp_op {
 struct rte_mempool *
 rte_comp_op_pool_create(const char *name,
 		unsigned int nb_elts, unsigned int cache_size,
-		uint16_t user_size, int socket_id);
+		uint16_t user_size, int socket_id)
+	__rte_malloc __rte_dealloc(rte_comp_op_free, 1);
 
 /**
  * Allocate an operation from a mempool with default parameters set
@@ -533,18 +547,6 @@ int
 rte_comp_op_bulk_alloc(struct rte_mempool *mempool,
 		struct rte_comp_op **ops, uint16_t nb_ops);
 
-/**
- * Free operation structure
- * If operation has been allocate from a rte_mempool, then the operation will
- * be returned to the mempool.
- *
- * @param op
- *   Compress operation pointer allocated from rte_comp_op_alloc()
- *   If op is NULL, no operation is performed.
- */
-void
-rte_comp_op_free(struct rte_comp_op *op);
-
 /**
  * Bulk free operation structures
  * If operations have been allocated from an rte_mempool, then the operations
-- 
2.45.2