IB/uverbs: Prevent reregistration of DM_MR to regular MR

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This patch adds a check in the ib_uverbs_rereg_mr flow to make
sure there's no attempt to rereg a device memory MR to regular MR.
In such case the command will fail with -EINVAL status.

fixes: be934cca9e ("IB/uverbs: Add device memory registration ioctl support")
Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

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Ariel Levkovich 2018-04-26 15:42:54 +03:00 • committed by Doug Ledford

parent 4f9ca2d868

commit 5ccbf63f87

1 changed files with 5 additions and 0 deletions

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drivers/infiniband/core/uverbs_cmd.c

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