diff options
| author | Ingo Molnar <mingo@kernel.org> | 2020-05-25 15:10:37 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-05-25 15:10:37 +0200 |
| commit | a5d8e55b2c7d3d18d7837af0ef8d1477eeeb919c (patch) | |
| tree | fe07d3af2f6f13d005da832fe3d18d5d257fb9bd /drivers/infiniband/sw/siw/siw_qp_tx.c | |
| parent | 4da0b2b7e67524cc206067865666899bc02e1cb0 (diff) | |
| parent | 9cb1fd0efd195590b828b9b865421ad345a4a145 (diff) | |
Merge tag 'v5.7-rc7' into efi/core, to refresh the branch and pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/infiniband/sw/siw/siw_qp_tx.c')
| -rw-r--r-- | drivers/infiniband/sw/siw/siw_qp_tx.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/infiniband/sw/siw/siw_qp_tx.c b/drivers/infiniband/sw/siw/siw_qp_tx.c index ae92c8080967..9f53aa4feb87 100644 --- a/drivers/infiniband/sw/siw/siw_qp_tx.c +++ b/drivers/infiniband/sw/siw/siw_qp_tx.c @@ -920,20 +920,27 @@ static int siw_fastreg_mr(struct ib_pd *pd, struct siw_sqe *sqe) { struct ib_mr *base_mr = (struct ib_mr *)(uintptr_t)sqe->base_mr; struct siw_device *sdev = to_siw_dev(pd->device); - struct siw_mem *mem = siw_mem_id2obj(sdev, sqe->rkey >> 8); + struct siw_mem *mem; int rv = 0; siw_dbg_pd(pd, "STag 0x%08x\n", sqe->rkey); - if (unlikely(!mem || !base_mr)) { + if (unlikely(!base_mr)) { pr_warn("siw: fastreg: STag 0x%08x unknown\n", sqe->rkey); return -EINVAL; } + if (unlikely(base_mr->rkey >> 8 != sqe->rkey >> 8)) { pr_warn("siw: fastreg: STag 0x%08x: bad MR\n", sqe->rkey); - rv = -EINVAL; - goto out; + return -EINVAL; } + + mem = siw_mem_id2obj(sdev, sqe->rkey >> 8); + if (unlikely(!mem)) { + pr_warn("siw: fastreg: STag 0x%08x unknown\n", sqe->rkey); + return -EINVAL; + } + if (unlikely(mem->pd != pd)) { pr_warn("siw: fastreg: PD mismatch\n"); rv = -EINVAL; |