2 files changed, 5 insertions, 0 deletions

diff --git a/drivers/firewire/fw-device-cdev.c b/drivers/firewire/fw-device-cdev.c
index 5437ad245a37..68428d013d8d 100644
--- a/drivers/firewire/fw-device-cdev.c
+++ b/drivers/firewire/fw-device-cdev.c
@@ -290,6 +290,8 @@ static int ioctl_get_info(struct client *client, void __user *arg)
                         return -EFAULT;
         }
 
+        get_info.card = client->device->card->index;
+
         if (copy_to_user(arg, &get_info, sizeof get_info))
                 return -EFAULT;
 
diff --git a/drivers/firewire/fw-device-cdev.h b/drivers/firewire/fw-device-cdev.h
index c6ea6f32a94b..0cc4b082257f 100644
--- a/drivers/firewire/fw-device-cdev.h
+++ b/drivers/firewire/fw-device-cdev.h
@@ -140,6 +140,9 @@ struct fw_cdev_get_info {
         /* If non-zero, a fw_cdev_event_bus_reset struct will be
          * copied here with the current state of the bus. */
         __u64 bus_reset;
+
+        /* The index of the card this devices belongs to. */
+        __u32 card;
 };
 
 struct fw_cdev_send_request {