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| author |   Bob Pearson <rpearsonhpe@gmail.com> | 2021-06-07 23:25:53 -0500 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-06-16 20:51:19 -0300 |
| commit | 570d2b99d00d9e023328c0a0b8000ab485113384 (patch) | |
| tree | ee624e54f747317849c9d3ef97186ebdfdff91b9 /drivers/infiniband/sw/rxe/rxe_verbs.c | |
| parent | RDMA/rxe: Implement memory access through MWs (diff) | |
| download | linux-dev-570d2b99d00d9e023328c0a0b8000ab485113384.tar.xz linux-dev-570d2b99d00d9e023328c0a0b8000ab485113384.zip | |
RDMA/rxe: Disallow MR dereg and invalidate when bound
Check that an MR has no bound MWs before allowing a dereg or invalidate
operation.
Link: https://lore.kernel.org/r/20210608042552.33275-11-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_verbs.c')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_verbs.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index 94ae5175d225..a055d4c76f4c 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -959,17 +959,6 @@ err2: return ERR_PTR(err); } -static int rxe_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata) -{ - struct rxe_mr *mr = to_rmr(ibmr); - - mr->state = RXE_MR_STATE_ZOMBIE; - rxe_drop_ref(mr_pd(mr)); - rxe_drop_index(mr); - rxe_drop_ref(mr); - return 0; -} - static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type, u32 max_num_sg) { |