diff --git a/drivers/infiniband/hw/mana/mr.c b/drivers/infiniband/hw/mana/mr.c
index 351207c60eb6..af79b6e3a581 100644
--- a/drivers/infiniband/hw/mana/mr.c
+++ b/drivers/infiniband/hw/mana/mr.c
@@ -118,6 +118,7 @@ struct ib_mr *mana_ib_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 length,
 		  "start 0x%llx, iova 0x%llx length 0x%llx access_flags 0x%x",
 		  start, iova, length, access_flags);
 
+	access_flags &= ~IB_ACCESS_OPTIONAL;
 	if (access_flags & ~VALID_MR_FLAGS)
 		return ERR_PTR(-EINVAL);