diff options
Diffstat (limited to 'drivers/usb/gadget/u_ncm.h')
| -rw-r--r-- | drivers/usb/gadget/u_ncm.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/gadget/u_ncm.h b/drivers/usb/gadget/u_ncm.h index 1e22b5fa844..ce0f3a78ca1 100644 --- a/drivers/usb/gadget/u_ncm.h +++ b/drivers/usb/gadget/u_ncm.h @@ -22,6 +22,15 @@ struct f_ncm_opts { struct usb_function_instance func_inst; struct net_device *net; bool bound; + + /* + * Read/write access to configfs attributes is handled by configfs. + * + * This is to protect the data from concurrent access by read/write + * and create symlink/remove symlink. + */ + struct mutex lock; + int refcnt; }; #endif /* U_NCM_H */ |