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scsi: hisi_sas: Check whether debugfs is enabled before removing or releasing it

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hisi_sas debugfs remove should be executed only when debugfs is enabled.
Check whether debugfs is enabled and then remove it only if enabled.

Signed-off-by: Yihang Li <liyihang9@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/1705904747-62186-4-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Yihang Li
2024-01-22 14:25:46 +08:00
committed by Martin K. Petersen
parent 3f03055047
commit 69097a631c
2 changed files with 7 additions and 3 deletions
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3
drivers/scsi/hisi_sas/hisi_sas_main.c
View File

@@ -2625,7 +2625,8 @@ static __exit void hisi_sas_exit(void)
{
sas_release_transport(hisi_sas_stt);
debugfs_remove(hisi_sas_debugfs_dir);
if (hisi_sas_debugfs_enable)
debugfs_remove(hisi_sas_debugfs_dir);
}
module_init(hisi_sas_init);

7
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
View File

@@ -4902,7 +4902,8 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
err_out_remove_host:
scsi_remove_host(shost);
err_out_undo_debugfs:
debugfs_exit_v3_hw(hisi_hba);
if (hisi_sas_debugfs_enable)
debugfs_exit_v3_hw(hisi_hba);
err_out_free_host:
hisi_sas_free(hisi_hba);
scsi_host_put(shost);
@@ -4942,7 +4943,9 @@ static void hisi_sas_v3_remove(struct pci_dev *pdev)
hisi_sas_v3_destroy_irqs(pdev, hisi_hba);
hisi_sas_free(hisi_hba);
debugfs_exit_v3_hw(hisi_hba);
if (hisi_sas_debugfs_enable)
debugfs_exit_v3_hw(hisi_hba);
scsi_host_put(shost);
}