From: Xiang Chen <chenxiang66@hisilicon.com> mainline inclusion from mainline-master commit f467666504bf0c7eae95b929d0c86f77ff9b4356 category: bugfix bugzilla: 175270 CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... ------------------------------------------------------------------------ Function sas_unregister_ha() needs to be called to roll back if hisi_hba->hw->hw_init() fails in function hisi_sas_probe() or hisi_sas_v3_probe(). Make that change. Link: https://lore.kernel.org/r/1617709711-195853-4-git-send-email-john.garry@huaw... Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Ouyangdelong <ouyangdelong@huawei.com> Signed-off-by: Nifujia <nifujia1@hisilicon.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- drivers/scsi/hisi_sas/hisi_sas_main.c | 4 +++- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index a979edfd9a78..971c45a1401c 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -2689,12 +2689,14 @@ int hisi_sas_probe(struct platform_device *pdev, rc = hisi_hba->hw->hw_init(hisi_hba); if (rc) - goto err_out_register_ha; + goto err_out_hw_init; scsi_scan_host(shost); return 0; +err_out_hw_init: + sas_unregister_ha(sha); err_out_register_ha: scsi_remove_host(shost); err_out_ha: diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index acdabdfd12b8..8b37c701d681 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -4762,7 +4762,7 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) rc = hisi_sas_v3_init(hisi_hba); if (rc) - goto err_out_register_ha; + goto err_out_hw_init; scsi_scan_host(shost); @@ -4779,6 +4779,8 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; +err_out_hw_init: + sas_unregister_ha(sha); err_out_register_ha: scsi_remove_host(shost); err_out_free_irq_vectors: -- 2.20.1