[dpdk-dev] [PATCH 1/1] ethdev: rename a flow shared action error code

[Thomas Monjalon <thomas@monjalon.net>]

In the experimental function rte_flow_shared_action_destroy()
introduced in DPDK 20.11, the errno ETOOMANYREFS was used.
This errno is not always available on Windows,
so it is preferred using EBUSY instead.

Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
---
 drivers/net/mlx5/mlx5_flow_dv.c | 4 ++--
 lib/librte_ethdev/rte_flow.h    | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 62d9ca9ffb..51cc41face 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -11436,14 +11436,14 @@ __flow_dv_action_rss_release(struct rte_eth_dev *dev, uint32_t idx,
 					  "invalid shared action");
 	remaining = __flow_dv_action_rss_hrxqs_release(dev, shared_rss);
 	if (remaining)
-		return rte_flow_error_set(error, ETOOMANYREFS,
+		return rte_flow_error_set(error, EBUSY,
 					  RTE_FLOW_ERROR_TYPE_ACTION,
 					  NULL,
 					  "shared rss hrxq has references");
 	if (!__atomic_compare_exchange_n(&shared_rss->refcnt, &old_refcnt,
 					 0, 0, __ATOMIC_ACQUIRE,
 					 __ATOMIC_RELAXED))
-		return rte_flow_error_set(error, ETOOMANYREFS,
+		return rte_flow_error_set(error, EBUSY,
 					  RTE_FLOW_ERROR_TYPE_ACTION,
 					  NULL,
 					  "shared rss has references");
diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
index 8b970ba0b7..b98334c5c4 100644
--- a/lib/librte_ethdev/rte_flow.h
+++ b/lib/librte_ethdev/rte_flow.h
@@ -3549,8 +3549,7 @@ rte_flow_shared_action_create(uint16_t port_id,
  *   - (-ENOSYS) if underlying device does not support this functionality.
  *   - (-EIO) if underlying device is removed.
  *   - (-ENOENT) if action pointed by *action* handle was not found.
- *   - (-ETOOMANYREFS) if action pointed by *action* handle still used by one or
- *     more rules
+ *   - (-EBUSY) if action pointed by *action* handle still used by some rules
  *   rte_errno is also set.
  */
 __rte_experimental
-- 
2.28.0