linux-kernel - [PATCH 07/10][next] scsi: aacraid: Replace one-element array with flexible-array member in struct user

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Message-ID: <bf0845f7cbe2a507a54b9d5bb35a22a1ca265178.1687974498.git.gustavoars@kernel.org>
Date:   Wed, 28 Jun 2023 11:56:52 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     aacraid@...rosemi.com, "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kees Cook <keescook@...omium.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH 07/10][next] scsi: aacraid: Replace one-element array with
 flexible-array member in struct user_sgmap64

Replace one-element array with flexible-array member in struct
user_sgmap64.

This results in no differences in binary output.

Issue found with the help of Coccinelle and audited and fixed,
manually.

Link: https://github.com/KSPP/linux/issues/79
Link: https://github.com/ClangBuiltLinux/linux/issues/1851
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/scsi/aacraid/aacraid.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 87015dd2abd9..94eb83d38be6 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -522,7 +522,7 @@ struct sgmap64 {
 
 struct user_sgmap64 {
 	u32		count;
-	struct user_sgentry64 sg[1];
+	struct user_sgentry64 sg[];
 };
 
 struct sgmapraw {
-- 
2.34.1