118 #define CMSG_COMPAT_OK(ucmlen, ucmsg, mhdr) \  argument
122 	  ((char *)(ucmsg) - (char *)(mhdr)->msg_control)))
141 	struct compat_cmsghdr __user *ucmsg;  in cmsghdr_from_user_compat_to_kern()  local
149 	ucmsg = CMSG_COMPAT_FIRSTHDR(kmsg);  in cmsghdr_from_user_compat_to_kern()
150 	while (ucmsg != NULL) {  in cmsghdr_from_user_compat_to_kern()
151 		if (get_user(ucmlen, &ucmsg->cmsg_len))  in cmsghdr_from_user_compat_to_kern()
155 		if (!CMSG_COMPAT_OK(ucmlen, ucmsg, kmsg))  in cmsghdr_from_user_compat_to_kern()
158 		tmp = ((ucmlen - CMSG_COMPAT_ALIGN(sizeof(*ucmsg))) +  in cmsghdr_from_user_compat_to_kern()
162 		ucmsg = cmsg_compat_nxthdr(kmsg, ucmsg, ucmlen);  in cmsghdr_from_user_compat_to_kern()
179 	ucmsg = CMSG_COMPAT_FIRSTHDR(kmsg);  in cmsghdr_from_user_compat_to_kern()
180 	while (ucmsg != NULL) {  in cmsghdr_from_user_compat_to_kern()
181 		if (__get_user(ucmlen, &ucmsg->cmsg_len))  in cmsghdr_from_user_compat_to_kern()
183 		if (!CMSG_COMPAT_OK(ucmlen, ucmsg, kmsg))  in cmsghdr_from_user_compat_to_kern()
185 		tmp = ((ucmlen - CMSG_COMPAT_ALIGN(sizeof(*ucmsg))) +  in cmsghdr_from_user_compat_to_kern()
191 		if (__get_user(kcmsg->cmsg_level, &ucmsg->cmsg_level) ||  in cmsghdr_from_user_compat_to_kern()
192 		    __get_user(kcmsg->cmsg_type, &ucmsg->cmsg_type) ||  in cmsghdr_from_user_compat_to_kern()
194 				   CMSG_COMPAT_DATA(ucmsg),  in cmsghdr_from_user_compat_to_kern()
195 				   (ucmlen - CMSG_COMPAT_ALIGN(sizeof(*ucmsg)))))  in cmsghdr_from_user_compat_to_kern()
200 		ucmsg = cmsg_compat_nxthdr(kmsg, ucmsg, ucmlen);  in cmsghdr_from_user_compat_to_kern()