unsigned int name_len;
};
-static int copy_msghdr_from_user(struct msghdr *kmsg,
- struct user_msghdr __user *umsg,
- struct sockaddr __user **save_addr,
- struct iovec **iov)
+int __copy_msghdr_from_user(struct msghdr *kmsg,
+ struct user_msghdr __user *umsg,
+ struct sockaddr __user **save_addr,
+ struct iovec __user **uiov, size_t *nsegs)
{
struct user_msghdr msg;
ssize_t err;
return -EMSGSIZE;
kmsg->msg_iocb = NULL;
+ *uiov = msg.msg_iov;
+ *nsegs = msg.msg_iovlen;
+ return 0;
+}
+
+static int copy_msghdr_from_user(struct msghdr *kmsg,
+ struct user_msghdr __user *umsg,
+ struct sockaddr __user **save_addr,
+ struct iovec **iov)
+{
+ struct user_msghdr msg;
+ ssize_t err;
+
+ err = __copy_msghdr_from_user(kmsg, umsg, save_addr, &msg.msg_iov,
+ &msg.msg_iovlen);
+ if (err)
+ return err;
err = import_iovec(save_addr ? READ : WRITE,
msg.msg_iov, msg.msg_iovlen,