RDMA/uverbs: Simplify ib_uverbs_ex_query_device

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We truncate the response structure if there is not enough room in the
user buffer so there is no reason to have all the mess with finely managing
response_length. Just fully fill the attrs and truncate on copy.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

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Jason Gunthorpe 2018-11-25 20:58:41 +02:00 • committed by Doug Ledford

parent 40efca7a46

commit 7eebced1ba

1 changed files with 4 additions and 60 deletions

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64

drivers/infiniband/core/uverbs_cmd.c

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