[PATCH] net: prestera: fix flexible_array.cocci warnings

[Julia Lawall]

From: kernel test robot <lkp@xxxxxxxxx>

Zero-length and one-element arrays are deprecated, see
Documentation/process/deprecated.rst
Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Fixes: 6e36c7bcb461 ("net: prestera: add counter HW API")
CC: Volodymyr Mytnyk <vmytnyk@xxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   9606f9efb1cec7f8f5912326f182fbfbcad34382
commit: 6e36c7bcb4611414b339173cdc33fdcb55c08f9e [4129/4921] net: prestera: add counter HW API
:::::: branch date: 19 hours ago
:::::: commit date: 3 days ago

Please take the patch only if it's a positive warning. Thanks!

 prestera_hw.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/marvell/prestera/prestera_hw.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_hw.c
@@ -443,7 +443,7 @@ struct prestera_msg_counter_resp {
 	__le32 offset;
 	__le32 num_counters;
 	__le32 done;
-	struct prestera_msg_counter_stats stats[0];
+	struct prestera_msg_counter_stats stats[];
 };

 struct prestera_msg_span_req {