Verify that the passed mask to rxe_modify_device() is supported.
Signed-off-by: Kamal Heib <kamalheib1@xxxxxxxxx>
---
drivers/infiniband/sw/rxe/rxe_verbs.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 623129f27f5a..fa47bdcc7f54 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -106,6 +106,10 @@ static int rxe_modify_device(struct ib_device *dev,
{
struct rxe_dev *rxe = to_rdev(dev);
+ if (mask & ~(IB_DEVICE_MODIFY_SYS_IMAGE_GUID |
+ IB_DEVICE_MODIFY_NODE_DESC))
+ return -EOPNOTSUPP;
+
if (mask & IB_DEVICE_MODIFY_SYS_IMAGE_GUID)
rxe->attr.sys_image_guid = cpu_to_be64(attr->sys_image_guid);
--
2.20.1
