From: Ram amrani <ram.amr...@cavium.com> Add a check that prevents ib_get_dma_mr from executing if IB_ACCESS_MW_BIND is set.
Signed-off-by: Ram Amrani <ram.amr...@cavium.com> --- drivers/infiniband/core/verbs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index f2b776e..8cc6f79 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1400,6 +1400,9 @@ struct ib_mr *ib_get_dma_mr(struct ib_pd *pd, int mr_access_flags) if (err) return ERR_PTR(err); + if (mr_access_flags & IB_ACCESS_MW_BIND) + return ERR_PTR(-EINVAL); + mr = pd->device->get_dma_mr(pd, mr_access_flags); if (!IS_ERR(mr)) { -- 1.8.3.1