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vfio: Fix broken EEH

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vfio_eeh_container_op() is the backend that communicates with
host kernel to support EEH functionality in QEMU. However, the
functon should return the value from host kernel instead of 0
unconditionally.

dwg: Specifically the problem occurs for the handful of EEH
sub-operations which can return a non-zero, non-error result.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
[dwg: clarification to commit message]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Gavin Shan 2016-06-15 14:28:27 +10:00 committed by David Gibson
parent 35b5066ea7
commit d917e88d85
1 changed files with 1 additions and 1 deletions
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2
hw/vfio/common.c
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@ -1257,7 +1257,7 @@ static int vfio_eeh_container_op(VFIOContainer *container, uint32_t op)
return -errno; return -errno;
} }
return 0; return ret;
} }
static VFIOContainer *vfio_eeh_as_container(AddressSpace *as) static VFIOContainer *vfio_eeh_as_container(AddressSpace *as)