Merge branch 'fix/kconfig' into for-linus

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 4007f721d25..e711de400a0 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;