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RDMA/rxe: Verify modify_device mask 

Verify that the passed mask to rxe_modify_device() is supported.

Link: https://lore.kernel.org/r/20190923104158.5331-4-kamalheib1@gmail.com
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Kamal Heib 2019-09-23 13:41:58 +03:00 committed by Jason Gunthorpe
parent 39ce85f3b1
commit f3fceba5da
1 changed files with 4 additions and 0 deletions
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4
drivers/infiniband/sw/rxe/rxe_verbs.c
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@ -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);