linux-kernel - [PATCH] net: prestera: fix flexible

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Date:   Fri, 3 Dec 2021 10:44:43 +0100 (CET)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Volodymyr Mytnyk <vmytnyk@...vell.com>
cc:     kbuild-all@...ts.01.org,
        Linux Memory Management List <linux-mm@...ck.org>,
        Serhiy Boiko <serhiy.boiko@...vell.com>,
        Taras Chornyi <tchornyi@...vell.com>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] net: prestera: fix flexible_array.cocci warnings

From: kernel test robot <lkp@...el.com>

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@...vell.com>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: kernel test robot <lkp@...el.com>
Signed-off-by: Julia Lawall <julia.lawall@...ia.fr>
---

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 {