109 #define CMSG_COMPAT_DATA(cmsg)				\  argument
110 	((void __user *)((char __user *)(cmsg) + sizeof(struct compat_cmsghdr)))
128 		struct compat_cmsghdr __user *cmsg, int cmsg_len)  in cmsg_compat_nxthdr()
130 	char __user *ptr = (char __user *)cmsg + CMSG_COMPAT_ALIGN(cmsg_len);  in cmsg_compat_nxthdr()
186 		struct compat_cmsghdr cmsg;  in cmsghdr_from_user_compat_to_kern()  local
187 		if (copy_from_user(&cmsg, ucmsg, sizeof(cmsg)))  in cmsghdr_from_user_compat_to_kern()
189 		if (!CMSG_COMPAT_OK(cmsg.cmsg_len, ucmsg, kmsg))  in cmsghdr_from_user_compat_to_kern()
191 		tmp = ((cmsg.cmsg_len - sizeof(*ucmsg)) + sizeof(struct cmsghdr));  in cmsghdr_from_user_compat_to_kern()
195 		kcmsg->cmsg_level = cmsg.cmsg_level;  in cmsghdr_from_user_compat_to_kern()
196 		kcmsg->cmsg_type = cmsg.cmsg_type;  in cmsghdr_from_user_compat_to_kern()
200 				   (cmsg.cmsg_len - sizeof(*ucmsg))))  in cmsghdr_from_user_compat_to_kern()
205 		ucmsg = cmsg_compat_nxthdr(kmsg, ucmsg, cmsg.cmsg_len);  in cmsghdr_from_user_compat_to_kern()