linux-kernel - [PATCH] fs/affs: struct affs_data_head: Replace 1-element array with flexible array

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Message-Id: <20240710225725.work.409-kees@kernel.org>
Date: Wed, 10 Jul 2024 15:57:25 -0700
From: Kees Cook <kees@...nel.org>
To: David Sterba <dsterba@...e.com>
Cc: Kees Cook <kees@...nel.org>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: [PATCH] fs/affs: struct affs_data_head: Replace 1-element array with flexible array

Replace the deprecated[1] use of a 1-element array in
struct affs_data_head with a modern flexible array.

No binary differences are present after this conversion.

Link: https://github.com/KSPP/linux/issues/79 [1]
Signed-off-by: Kees Cook <kees@...nel.org>
---
Cc: David Sterba <dsterba@...e.com>
Cc: linux-fsdevel@...r.kernel.org
---
 fs/affs/amigaffs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/affs/amigaffs.h b/fs/affs/amigaffs.h
index 09dc23a644df..1b973a669d23 100644
--- a/fs/affs/amigaffs.h
+++ b/fs/affs/amigaffs.h
@@ -119,7 +119,7 @@ struct affs_data_head
 	__be32 size;
 	__be32 next;
 	__be32 checksum;
-	u8 data[1];	/* depends on block size */
+	u8 data[];	/* depends on block size */
 };
 
 /* Permission bits */
-- 
2.34.1