Re: [PATCH v2] scsi: lpfc: fix ioremap issues in 'lpfc_sli4_pci_mem_setup'

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To: lishuchang@xxxxxxxxxxx
Subject: Re: [PATCH v2] scsi: lpfc: fix ioremap issues in 'lpfc_sli4_pci_mem_setup'
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Tue, 11 Apr 2023 21:03:19 -0400
Cc: James Smart <james.smart@xxxxxxxxxxxx>, Dick Kennedy <dick.kennedy@xxxxxxxxxxxx>, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, hust-os-kernel-patches@xxxxxxxxxxxxxxxx, James Smart <jsmart2021@xxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20230404072133.1022-1-lishuchang@hust.edu.cn> (lishuchang@hust.edu.cn's message of "Tue, 4 Apr 2023 15:21:32 +0800")
Organization: Oracle Corporation

> When if_type equals to zero and pci_resource_start(pdev,
> PCI_64BIT_BAR4) returns false, drbl_regs_memmap_p is not remapped.This
> passes a NULL pointer to iounmap(), which can trigger a WARN() on
> certain arches.

Applied to 6.4/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
- [PATCH v2] scsi: lpfc: fix ioremap issues in 'lpfc_sli4_pci_mem_setup'
  - From: lishuchang

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