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Message-ID: <1571926105-74636-18-git-send-email-john.garry@huawei.com>
Date:   Thu, 24 Oct 2019 22:08:24 +0800
From:   John Garry <john.garry@...wei.com>
To:     <jejb@...ux.vnet.ibm.com>, <martin.petersen@...cle.com>
CC:     <linux-scsi@...r.kernel.org>, <linuxarm@...wei.com>,
        <linux-kernel@...r.kernel.org>,
        Luo Jiaxing <luojiaxing@...wei.com>,
        "John Garry" <john.garry@...wei.com>
Subject: [PATCH v2 17/18] scsi: hisi_sas: Delete the debugfs folder of hisi_sas when the probe fails

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

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.

Signed-off-by: Luo Jiaxing <luojiaxing@...wei.com>
Signed-off-by: John Garry <john.garry@...wei.com>
---
 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 7fa9a5a51b80..669ad7463615 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -2686,6 +2686,7 @@ 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 19a8cfeb8f6e..e4da309009c0 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -3266,6 +3266,7 @@ 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);
-- 
2.17.1

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