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hisi_acc_vfio_pci: Fixes error return code issue

During the process of compatibility and matching of live migration
device information, if the isolation status of the two devices is
inconsistent, the live migration needs to be exited.

The current driver does not return the error code correctly and
needs to be fixed.

Reviewed-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Longfang Liu <liulongfang@huawei.com>
Link: https://lore.kernel.org/r/20220926093332.28824-2-liulongfang@huawei.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

authored by

Longfang Liu and committed by
Alex Williamson 948f5ada ca5f21b2

+1 -1
+1 -1
drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
··· 397 397 398 398 if (vf_data->que_iso_cfg != que_iso_state) { 399 399 dev_err(dev, "failed to match isolation state\n"); 400 - return ret; 400 + return -EINVAL; 401 401 } 402 402 403 403 ret = qm_write_regs(vf_qm, QM_VF_STATE, &vf_data->vf_qm_state, 1);