diff mbox series

[for-next,3/3] RDMA/rxe: Verify modify_device mask

Message ID 20190923104158.5331-4-kamalheib1@gmail.com (mailing list archive)
State Mainlined
Commit f3fceba5da5e149ecd8e58c1e1c60464629de27b
Delegated to: Jason Gunthorpe
Headers show
Series RDMA: modify_device improvements | expand

Commit Message

Kamal Heib Sept. 23, 2019, 10:41 a.m. UTC 
Verify that the passed mask to rxe_modify_device() is supported.

Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
---
 drivers/infiniband/sw/rxe/rxe_verbs.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

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);