[PATCH for-next] RDMA: return -EOPNOSUPP for ODP unsupported device

[Li Zhijian]

ib_reg_mr(3) which is used to register a MR with specific access flags
for specific HCA will set errno when something go wrong.
So, here we should return the specific -EOPNOTSUPP when the being
requested ODP access flag is unspported by the HCA(such as RXE).

Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxx>
---
 include/rdma/ib_verbs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 975d6e9efbcb..a1f4d53a4bb6 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -4334,7 +4334,7 @@ static inline int ib_check_mr_access(struct ib_device *ib_dev,
 
 	if (flags & IB_ACCESS_ON_DEMAND &&
 	    !(ib_dev->attrs.kernel_cap_flags & IBK_ON_DEMAND_PAGING))
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	return 0;
 }
 
-- 
2.31.1