On Thu, 6 Aug 2015, Jim Davis wrote: > Building with the attached random configuration file, > > drivers/usb/gadget/function/f_mass_storage.c: In function ‘fsg_main_thread’: > drivers/usb/gadget/function/f_mass_storage.c:2520:2: error: implicit > declaration of function ‘set_fs’ > [-Werror=implicit-function-declaration] > set_fs(get_ds()); > ^ > drivers/usb/gadget/function/f_mass_storage.c:2520:2: error: implicit > declaration of function ‘get_ds’ > [-Werror=implicit-function-declaration] Looks like the source file needs to #include <linux/uaccess.h>. Apparently it got brought in indirectly from some other header file in 4.1, but not in current linux-next. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html