diff options
Diffstat (limited to 'drivers/infiniband/core/device.c')
-rw-r--r-- | drivers/infiniband/core/device.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 571974cd3919..a63e8400ea3b 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -333,6 +333,15 @@ int ib_register_device(struct ib_device *device, int ret; struct ib_client *client; struct ib_udata uhw = {.outlen = 0, .inlen = 0}; + struct device *parent = device->dev.parent; + + WARN_ON_ONCE(!parent); + if (!device->dev.dma_ops) + device->dev.dma_ops = parent->dma_ops; + if (!device->dev.dma_mask) + device->dev.dma_mask = parent->dma_mask; + if (!device->dev.coherent_dma_mask) + device->dev.coherent_dma_mask = parent->coherent_dma_mask; mutex_lock(&device_mutex); @@ -659,7 +668,7 @@ int ib_query_port(struct ib_device *device, union ib_gid gid; int err; - if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device)) + if (!rdma_is_port_valid(device, port_num)) return -EINVAL; memset(port_attr, 0, sizeof(*port_attr)); @@ -825,7 +834,7 @@ int ib_modify_port(struct ib_device *device, if (!device->modify_port) return -ENOSYS; - if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device)) + if (!rdma_is_port_valid(device, port_num)) return -EINVAL; return device->modify_port(device, port_num, port_modify_mask, |