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Date:   Fri, 14 Feb 2020 11:22:58 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Bean Huo <beanhuo@...ron.com>,
        Asutosh Das <asutoshd@...eaurora.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>, linux-scsi@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH AUTOSEL 4.4 014/100] scsi: ufs: Fix ufshcd_probe_hba() reture value in case ufshcd_scsi_add_wlus() fails

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

[ Upstream commit b9fc5320212efdfb4e08b825aaa007815fd11d16 ]

A non-zero error value likely being returned by ufshcd_scsi_add_wlus() in
case of failure of adding the WLs, but ufshcd_probe_hba() doesn't use this
value, and doesn't report this failure to upper caller.  This patch is to
fix this issue.

Fixes: 2a8fa600445c ("ufs: manually add well known logical units")
Link: https://lore.kernel.org/r/20200120130820.1737-2-huobean@gmail.com
Reviewed-by: Asutosh Das <asutoshd@...eaurora.org>
Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>
Reviewed-by: Stanley Chu <stanley.chu@...iatek.com>
Signed-off-by: Bean Huo <beanhuo@...ron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/ufs/ufshcd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index fcf5141bf950f..19f82069c68ac 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4324,7 +4324,8 @@ static int ufshcd_probe_hba(struct ufs_hba *hba)
 			ufshcd_init_icc_levels(hba);
 
 		/* Add required well known logical units to scsi mid layer */
-		if (ufshcd_scsi_add_wlus(hba))
+		ret = ufshcd_scsi_add_wlus(hba);
+		if (ret)
 			goto out;
 
 		scsi_scan_host(hba->host);
-- 
2.20.1

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