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fpga: dfl: pci: fix return value of cci_pci_sriov_configure

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commit 3c2760b78f upstream.

pci_driver.sriov_configure should return negative value on error and
number of enabled VFs on success. But now the driver returns 0 on
success. The sriov configure still works but will cause a warning
message:

  XX VFs requested; only 0 enabled

This patch changes the return value accordingly.

Cc: stable@vger.kernel.org
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Wu Hao <hao.wu@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Xu Yilun
2020-02-25 14:07:18 +08:00
committed by Greg Kroah-Hartman
parent 22432bcf06
commit a0f1f53ecd
1 changed files with 4 additions and 2 deletions
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6
drivers/fpga/dfl-pci.c
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@@ -248,11 +248,13 @@ static int cci_pci_sriov_configure(struct pci_dev *pcidev, int num_vfs)
return ret;
ret = pci_enable_sriov(pcidev, num_vfs);
if (ret)
if (ret) {
dfl_fpga_cdev_config_ports_pf(cdev);
return ret;
}
}
return ret;
return num_vfs;
}
static void cci_pci_remove(struct pci_dev *pcidev)