IB/mlx5: Flow through a more detailed return code from get_prefetchable_mr()

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The error returns for various cases detected by get_prefetchable_mr() get
confused as it flows back to userspace. Properly label each error path and
flow the error code properly back to the system call.

Link: https://lore.kernel.org/r/20210928170846.GA1721590@nvidia.com
Suggested-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

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Jason Gunthorpe 2021-09-03 16:48:15 +08:00

parent d30ef6d5c0

commit 49b99314b4

1 changed files with 25 additions and 15 deletions

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drivers/infiniband/hw/mlx5/odp.c

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