linux-kernel - [PATCH] scsi: megaraid_sas: struct MR_LD_VF_MAP: Replace 1-element arrays with flexible arrays

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Message-Id: <20240711155823.work.778-kees@kernel.org>
Date: Thu, 11 Jul 2024 08:58:23 -0700
From: Kees Cook <kees@...nel.org>
To: Kashyap Desai <kashyap.desai@...adcom.com>
Cc: Kees Cook <kees@...nel.org>,
	Sumit Saxena <sumit.saxena@...adcom.com>,
	Shivasharan S <shivasharan.srikanteshwara@...adcom.com>,
	Chandrakanth patil <chandrakanth.patil@...adcom.com>,
	"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	megaraidlinux.pdl@...adcom.com,
	linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: [PATCH] scsi: megaraid_sas: struct MR_LD_VF_MAP: Replace 1-element arrays with flexible arrays

Replace the deprecated[1] use of a 1-element array in
struct MR_LD_VF_MAP 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: Kashyap Desai <kashyap.desai@...adcom.com>
Cc: Sumit Saxena <sumit.saxena@...adcom.com>
Cc: Shivasharan S <shivasharan.srikanteshwara@...adcom.com>
Cc: Chandrakanth patil <chandrakanth.patil@...adcom.com>
Cc: "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>
Cc: "Martin K. Petersen" <martin.petersen@...cle.com>
Cc: megaraidlinux.pdl@...adcom.com
Cc: linux-scsi@...r.kernel.org
---
 drivers/scsi/megaraid/megaraid_sas.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 5680c6cdb221..84cf77c48c0d 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -2473,7 +2473,7 @@ struct MR_LD_VF_MAP {
 	union MR_LD_REF ref;
 	u8 ldVfCount;
 	u8 reserved[6];
-	u8 policy[1];
+	u8 policy[];
 };
 
 struct MR_LD_VF_AFFILIATION {
-- 
2.34.1