455 			 const char *		extra)  in wireless_send_event()  argument
478 	 * for compat, due to being contained in 'extra', but normally  in wireless_send_event()
483 	if (WARN_ON(cmd == SIOCGIWSCAN && extra))  in wireless_send_event()
484 		extra = NULL;  in wireless_send_event()
510 	/* Check extra parameters and set extra_len */  in wireless_send_event()
523 		/* Calculate extra_len - extra is NULL for restricted events */  in wireless_send_event()
524 		if (extra != NULL)  in wireless_send_event()
549 	 *      | extra data  ...  in wireless_send_event()
582 		memcpy(((char *) event) + hdr_len, extra, extra_len);  in wireless_send_event()
625 			       extra, extra_len);  in wireless_send_event()
627 		/* extra_len must be zero, so no if (extra) needed */  in wireless_send_event()
681 				  char *			extra)  in iw_handler_get_iwstats()  argument
688 		/* Copy statistics to extra */  in iw_handler_get_iwstats()
689 		memcpy(extra, stats, sizeof(struct iw_statistics));  in iw_handler_get_iwstats()
745 	char *extra;  in ioctl_standard_iw_point()  local
822 	 * bytes of data for extra.  in ioctl_standard_iw_point()
828 	extra = kzalloc(extra_size, GFP_KERNEL);  in ioctl_standard_iw_point()
829 	if (!extra)  in ioctl_standard_iw_point()
832 	/* If it is a SET, get all the extra data in here */  in ioctl_standard_iw_point()
834 		if (copy_from_user(extra, iwp->pointer,  in ioctl_standard_iw_point()
842 			struct iw_encode_ext *ee = (void *) extra;  in ioctl_standard_iw_point()
853 		 * If this is a GET, but not NOMAX, it means that the extra  in ioctl_standard_iw_point()
855 		 * set the length to max_tokens. This matches the extra data  in ioctl_standard_iw_point()
867 	err = handler(dev, info, (union iwreq_data *) iwp, extra);  in ioctl_standard_iw_point()
879 		if (copy_to_user(iwp->pointer, extra,  in ioctl_standard_iw_point()
898 			wireless_send_event(dev, cmd, data, extra);  in ioctl_standard_iw_point()
902 	kfree(extra);  in ioctl_standard_iw_point()
1044 		/* No extra arguments. Trivial to handle */  in ioctl_standard_call()
1174 			   char *ends, struct iw_event *iwe, char *extra)  in iwe_stream_add_point()  argument
1187 		if (iwe->u.data.length && extra)  in iwe_stream_add_point()
1188 			memcpy(stream + point_len, extra, iwe->u.data.length);  in iwe_stream_add_point()