linux-hardening - [PATCH 8/8][next] scsi: aacraid: Replace one-element array with flexible-array member in struct aac

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Message-ID: <7d0571ef5dc87904008c325a942cfed24dbbf42e.1645513670.git.gustavoars@kernel.org>
Date:   Tue, 22 Feb 2022 01:31:07 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Adaptec OEM Raid Solutions <aacraid@...rosemi.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 8/8][next] scsi: aacraid: Replace one-element array with
 flexible-array member in struct aac_aifcmd

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

This issue was found with the help of Coccinelle and audited and fixed,
manually.

Link: https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays
Link: https://github.com/KSPP/linux/issues/79
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 97948cd5f13c..447feabf5360 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -2616,7 +2616,7 @@ struct aac_hba_info {
 struct aac_aifcmd {
 	__le32 command;		/* Tell host what type of notify this is */
 	__le32 seqnum;		/* To allow ordering of reports (if necessary) */
-	u8 data[1];		/* Undefined length (from kernel viewpoint) */
+	u8 data[];		/* Undefined length (from kernel viewpoint) */
 };
 
 /**
-- 
2.27.0