linux-kernel - [PATCH] fbdev/amifb: Replace zero-length arrays with DECLARE_FLEX

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Message-Id: <20230731021808.24997-1-rauji.raut@gmail.com>
Date:   Sun, 30 Jul 2023 19:18:08 -0700
From:   Atul Raut <rauji.raut@...il.com>
To:     deller@....de
Cc:     linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-kernel-mentees@...ts.linuxfoundation.org
Subject: [PATCH] fbdev/amifb: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper

Replacing zero-length arrays with C99 flexible-array members
because they are deprecated. Use the new DECLARE_FLEX_ARRAY()
auxiliary macro instead of defining a zero-length array.

This fixes warnings such as:
./drivers/video/fbdev/amifb.c:690:6-10: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Atul Raut <rauji.raut@...il.com>
---
 drivers/video/fbdev/amifb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/amifb.c b/drivers/video/fbdev/amifb.c
index d88265dbebf4..f216b2c702a1 100644
--- a/drivers/video/fbdev/amifb.c
+++ b/drivers/video/fbdev/amifb.c
@@ -687,7 +687,7 @@ struct fb_var_cursorinfo {
 	__u16 height;
 	__u16 xspot;
 	__u16 yspot;
-	__u8 data[1];			/* field with [height][width]        */
+	DECLARE_FLEX_ARRAY(__u8, data);	/* field with [height][width]        */
 };
 
 struct fb_cursorstate {
-- 
2.34.1