diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 8d07c12..568cb41 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -539,6 +539,8 @@
 int ib_query_device(struct ib_device *device,
 		    struct ib_device_attr *device_attr)
 {
+	memset(device_attr, 0, sizeof(*device_attr));
+
 	return device->query_device(device, device_attr);
 }
 EXPORT_SYMBOL(ib_query_device);