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Message-Id: <20200102215832.429052690@linuxfoundation.org>
Date:   Thu,  2 Jan 2020 23:05:05 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Luo Jiaxing <luojiaxing@...wei.com>,
        John Garry <john.garry@...wei.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 023/191] scsi: hisi_sas: Delete the debugfs folder of hisi_sas when the probe fails

From: Luo Jiaxing <luojiaxing@...wei.com>

[ Upstream commit cabe7c10c97a0857a9fb14b6c772ab784947995d ]

Although if the debugfs initialization fails, we will delete the debugfs
folder of hisi_sas, but we did not consider the scenario where debugfs was
successfully initialized, but the probe failed for other reasons. We found
out that hisi_sas folder is still remain after the probe failed.

When probe fail, we should delete debugfs folder to avoid the above issue.

Link: https://lore.kernel.org/r/1571926105-74636-18-git-send-email-john.garry@huawei.com
Signed-off-by: Luo Jiaxing <luojiaxing@...wei.com>
Signed-off-by: John Garry <john.garry@...wei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/hisi_sas/hisi_sas_main.c  | 1 +
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 20f0cb4698b7..633effb09c9c 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -2682,6 +2682,7 @@ int hisi_sas_probe(struct platform_device *pdev,
 err_out_register_ha:
 	scsi_remove_host(shost);
 err_out_ha:
+	hisi_sas_debugfs_exit(hisi_hba);
 	hisi_sas_free(hisi_hba);
 	scsi_host_put(shost);
 	return rc;
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index cb8d087762db..ef32ee12f606 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -3259,6 +3259,7 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 err_out_register_ha:
 	scsi_remove_host(shost);
 err_out_ha:
+	hisi_sas_debugfs_exit(hisi_hba);
 	scsi_host_put(shost);
 err_out_regions:
 	pci_release_regions(pdev);
-- 
2.20.1