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path: root/drivers/infiniband/core/device.c
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Diffstat (limited to 'drivers/infiniband/core/device.c')
-rw-r--r--drivers/infiniband/core/device.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 4007f72..e711de4 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -627,6 +627,9 @@ int ib_modify_device(struct ib_device *device,
int device_modify_mask,
struct ib_device_modify *device_modify)
{
+ if (!device->modify_device)
+ return -ENOSYS;
+
return device->modify_device(device, device_modify_mask,
device_modify);
}
@@ -647,6 +650,9 @@ int ib_modify_port(struct ib_device *device,
u8 port_num, int port_modify_mask,
struct ib_port_modify *port_modify)
{
+ if (!device->modify_port)
+ return -ENOSYS;
+
if (port_num < start_port(device) || port_num > end_port(device))
return -EINVAL;