linux-kernel - [PATCH v1] scsi: ufs: ufshpb: Fix sparse warning in ufshpb_set_hpb_read_to

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 11 Nov 2021 23:24:52 +0100
From:   Bean Huo <huobean@...il.com>
To:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        cang@...eaurora.org, daejun7.park@...sung.com
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel test robot <lkp@...el.com>
Subject: [PATCH v1] scsi: ufs: ufshpb: Fix sparse warning in ufshpb_set_hpb_read_to_upiu()

From: Bean Huo <beanhuo@...ron.com>

This patch is to fix the following sparse warnings in ufshpb_set_hpb_read_to_upiu():

sparse warnings: (new ones prefixed by >>)
drivers/scsi/ufs/ufshpb.c:335:27: sparse: sparse: cast from restricted __be64
drivers/scsi/ufs/ufshpb.c:335:25: sparse: expected restricted __be64 [usertype] ppn_tmp
drivers/scsi/ufs/ufshpb.c:335:25: sparse: got unsigned long long [usertype]

Signed-off-by: Bean Huo <beanhuo@...ron.com>
Reported-by: kernel test robot <lkp@...el.com>
---
 drivers/scsi/ufs/ufshpb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c
index a86d0cc50de2..5c8bb6dcc559 100644
--- a/drivers/scsi/ufs/ufshpb.c
+++ b/drivers/scsi/ufs/ufshpb.c
@@ -331,7 +331,7 @@ ufshpb_set_hpb_read_to_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp,
 	cdb[0] = UFSHPB_READ;
 
 	if (hba->dev_quirks & UFS_DEVICE_QUIRK_SWAP_L2P_ENTRY_FOR_HPB_READ)
-		ppn_tmp = swab64(ppn);
+		ppn_tmp = (__force __be64)swab64((__force u64)ppn);
 
 	/* ppn value is stored as big-endian in the host memory */
 	memcpy(&cdb[6], &ppn_tmp, sizeof(__be64));
-- 
2.25.1