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-rw-r--r--drivers/infiniband/core/uverbs_ioctl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_ioctl.c b/drivers/infiniband/core/uverbs_ioctl.c
index d96dc1d17be1..339b85145044 100644
--- a/drivers/infiniband/core/uverbs_ioctl.c
+++ b/drivers/infiniband/core/uverbs_ioctl.c
@@ -59,6 +59,9 @@ static int uverbs_process_attr(struct ib_device *ibdev,
return 0;
}
+ if (test_bit(attr_id, attr_bundle_h->valid_bitmap))
+ return -EINVAL;
+
spec = &attr_spec_bucket->attrs[attr_id];
e = &elements[attr_id];
e->uattr = uattr_ptr;