From: Ram amrani <Ram.Amrani@xxxxxxxxxx>
Add a check that prevents ib_get_dma_mr from executing if
IB_ACCESS_MW_BIND is set.
Signed-off-by: Ram Amrani <Ram.Amrani@xxxxxxxxxx>
---
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
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