linux-kernel - [PATCH 5.8 290/464] scsi: core: Add missing scsi_device_put() in scsi_host

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Message-Id: <20200817143847.645336277@linuxfoundation.org>
Date:   Mon, 17 Aug 2020 17:14:03 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Ye Bin <yebin10@...wei.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.8 290/464] scsi: core: Add missing scsi_device_put() in scsi_host_block()

From: Ye Bin <yebin10@...wei.com>

[ Upstream commit f30785db7546520acd53aac7497d42352ff031e0 ]

The scsi_host_block() case was missing in commit 4dea170f4fb2 ("scsi: core:
Fix incorrect usage of shost_for_each_device").

Link: https://lore.kernel.org/r/20200717090921.29243-1-yebin10@huawei.com
Fixes: 2bb955840c1d ("scsi: core: add scsi_host_(block,unblock) helper function")
Fixes: 4dea170f4fb2 ("scsi: core: Fix incorrect usage of shost_for_each_device")
Signed-off-by: Ye Bin <yebin10@...wei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/scsi_lib.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 06056e9ec3335..ae620dada8ce5 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2841,8 +2841,10 @@ scsi_host_block(struct Scsi_Host *shost)
 		mutex_lock(&sdev->state_mutex);
 		ret = scsi_internal_device_block_nowait(sdev);
 		mutex_unlock(&sdev->state_mutex);
-		if (ret)
+		if (ret) {
+			scsi_device_put(sdev);
 			break;
+		}
 	}
 
 	/*
-- 
2.25.1