[PATCH] eventdev: do not use zero length arrays

[Stephen Hemminger]

Zero length array's are a GNU C extension and should be replaced
by use of flexible arrayrs. This has been fixed almost everywhere
in DPDK 24.07 but looks like some event code got missed.

Generated by devtools/cocci/zero_length_array.cocci

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 drivers/event/opdl/opdl_ring.c       | 2 +-
 drivers/event/sw/event_ring.h        | 2 +-
 lib/eventdev/rte_event_dma_adapter.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/event/opdl/opdl_ring.c b/drivers/event/opdl/opdl_ring.c
index 6799ec996b..60991c4b03 100644
--- a/drivers/event/opdl/opdl_ring.c
+++ b/drivers/event/opdl/opdl_ring.c
@@ -119,7 +119,7 @@ struct opdl_ring {
        /* Stages indexed by ID */
        struct opdl_stage *stages;
        /* Memory for storing slot data */
-       alignas(RTE_CACHE_LINE_SIZE) uint8_t slots[0];
+       alignas(RTE_CACHE_LINE_SIZE) uint8_t slots[];
 };
 
 
diff --git a/drivers/event/sw/event_ring.h b/drivers/event/sw/event_ring.h
index 29db267b77..35931888dd 100644
--- a/drivers/event/sw/event_ring.h
+++ b/drivers/event/sw/event_ring.h
@@ -27,7 +27,7 @@ struct rob_ring {
        uint32_t size;
        uint32_t write_idx;
        uint32_t read_idx;
-       alignas(RTE_CACHE_LINE_SIZE) void *ring[0];
+       alignas(RTE_CACHE_LINE_SIZE) void *ring[];
 };
 
 static inline struct rob_ring *
diff --git a/lib/eventdev/rte_event_dma_adapter.h 
b/lib/eventdev/rte_event_dma_adapter.h
index 768390cd30..5c480b82ff 100644
--- a/lib/eventdev/rte_event_dma_adapter.h
+++ b/lib/eventdev/rte_event_dma_adapter.h
@@ -204,7 +204,7 @@ struct rte_event_dma_adapter_op {
        /**< Number of source segments. */
        uint16_t nb_dst;
        /**< Number of destination segments. */
-       struct rte_dma_sge src_dst_seg[0];
+       struct rte_dma_sge src_dst_seg[];
        /**< Source and destination segments. */
 };
 
-- 
2.43.0