off_t offset;
void *p, *map;
-restart:
ret = 0;
offset = io_u->offset;
mmap_len = buflen = io_u->xfer_buflen;
buflen -= ret;
iov.iov_base = p;
iov.iov_len = ret;
- p += ret;
while (iov.iov_len) {
ret = vmsplice(sd->pipe[0], &iov, 1, SPLICE_F_MOVE);
if (ret < 0) {
- if (errno == EFAULT && sd->vmsplice_to_user_map) {
+ if (errno == EFAULT &&
+ sd->vmsplice_to_user_map) {
sd->vmsplice_to_user_map = 0;
munmap(map, mmap_len);
- goto restart;
+ map = NULL;
+ p = io_u->xfer_buf;
+ iov.iov_base = p;
+ continue;
}
if (errno == EBADF) {
ret = -EBADF;
iov.iov_len -= ret;
iov.iov_base += ret;
+ p += ret;
}
if (ret < 0)
break;