IB/umad: Return EIO in case of when device disassociated
MAD message received by the user has EINVAL error in all flows including when the device is disassociated. That makes it impossible for the applications to treat such flow differently. Change it to return EIO, so the applications will be able to perform disassociation recovery. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Link: https://lore.kernel.org/r/20210125121339.837518-2-leon@kernel.org Signed-off-by: Shay Drory <shayd@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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