linux-kernel - [PATCH linux-next] scripts/dtc: Replace zero-length array with DECLARE_FLEX

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Message-ID: <202211150903277271642@zte.com.cn>
Date:   Tue, 15 Nov 2022 09:03:27 +0800 (CST)
From:   <guo.ziliang@....com.cn>
To:     <gustavoars@...nel.org>
Cc:     <robh+dt@...nel.org>, <frowand.list@...il.com>,
        <keescook@...omium.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <guo.ziliang@....com.cn>
Subject: [PATCH linux-next] scripts/dtc: Replace zero-length array with DECLARE_FLEX_ARRAY() helper

From: guo ziliang <guo.ziliang@....com.cn>

Zero-length arrays are deprecated and we are moving towards adopting
C99 flexible-array members, instead. So, replace zero-length arrays
declarations in anonymous union with the new DECLARE_FLEX_ARRAY()
helper macro.

Signed-off-by: guo ziliang <guo.ziliang@....com.cn>
---
 scripts/dtc/libfdt/fdt.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/dtc/libfdt/fdt.h b/scripts/dtc/libfdt/fdt.h
index f2e6880..f66fff1 100644
--- a/scripts/dtc/libfdt/fdt.h
+++ b/scripts/dtc/libfdt/fdt.h
@@ -35,14 +35,14 @@ struct fdt_reserve_entry {

 struct fdt_node_header {
        fdt32_t tag;
-       char name[0];
+       DECLARE_FLEX_ARRAY(char, name);
 };

 struct fdt_property {
        fdt32_t tag;
        fdt32_t len;
        fdt32_t nameoff;
-       char data[0];
+       DECLARE_FLEX_ARRAY(char, data);
 };

 #endif /* !__ASSEMBLY */
--
1.8.3.1