Messages in this thread |  | | Subject | Re: [PATCH] Drop unnecessary pcibio_err_to_errno() | From | Cao jin <> | Date | Sat, 19 Nov 2016 17:20:42 +0800 |
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I made this patch so quickly that I forget the details you mentioned. Thanks a lot for your help.
Sincerely, Cao jin
On 11/19/2016 01:02 AM, Alex Williamson wrote: > > Please prefix patches with their functional area, for instance I'll > prepend "vfio/pci" to this. Had you not cc'd me, I wouldn't have > noticed this patch w/o some mention of vfio in the subject. > > > On Fri, 18 Nov 2016 19:47:38 +0800 > Cao jin <caoj.fnst@cn.fujitsu.com> wrote: >> pci_user_read/write_config_xxxx() already does the translation. >> > > It would be helpful to mention in the commit where this translation was > added to those functions, d97ffe236894 ("PCI: Fix return value from > pci_user_{read,write}_config_*()") > > It's also worthwhile to mention that no change in behavior is expected > since pcibios_err_to_errno() will not mangle existing errno values, the > call is simply unnecessary given the previous conversion. > > I'll modify the title and commit log as described and apply. Thanks, > > Alex > >> Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com> >> --- >> drivers/vfio/pci/vfio_pci_config.c | 10 +++++----- >> 1 file changed, 5 insertions(+), 5 deletions(-) >> >> diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c >> index 65d4a30..e4220ca 100644 >> --- a/drivers/vfio/pci/vfio_pci_config.c >> +++ b/drivers/vfio/pci/vfio_pci_config.c >> @@ -152,7 +152,7 @@ static int vfio_user_config_read(struct pci_dev *pdev, int offset, >> >> *val = cpu_to_le32(tmp_val); >> >> - return pcibios_err_to_errno(ret); >> + return ret; >> } >> >> static int vfio_user_config_write(struct pci_dev *pdev, int offset, >> @@ -173,7 +173,7 @@ static int vfio_user_config_write(struct pci_dev *pdev, int offset, >> break; >> } >> >> - return pcibios_err_to_errno(ret); >> + return ret; >> } >> >> static int vfio_default_config_read(struct vfio_pci_device *vdev, int pos, >> @@ -257,7 +257,7 @@ static int vfio_direct_config_read(struct vfio_pci_device *vdev, int pos, >> >> ret = vfio_user_config_read(vdev->pdev, pos, val, count); >> if (ret) >> - return pcibios_err_to_errno(ret); >> + return ret; >> >> if (pos >= PCI_CFG_SPACE_SIZE) { /* Extended cap header mangling */ >> if (offset < 4) >> @@ -295,7 +295,7 @@ static int vfio_raw_config_read(struct vfio_pci_device *vdev, int pos, >> >> ret = vfio_user_config_read(vdev->pdev, pos, val, count); >> if (ret) >> - return pcibios_err_to_errno(ret); >> + return ret; >> >> return count; >> } >> @@ -1089,7 +1089,7 @@ static int vfio_msi_config_write(struct vfio_pci_device *vdev, int pos, >> start + PCI_MSI_FLAGS, >> flags); >> if (ret) >> - return pcibios_err_to_errno(ret); >> + return ret; >> } >> >> return count; > > > > . >
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