err = copy_from_user(buf, (void *)arg, sizeof(*hdr));
if (err)
- RETURN(err);
+ return err;
if (hdr->ioc_version != LIBCFS_IOCTL_VERSION) {
CERROR("PORTALS: version mismatch kernel vs application\n");
- RETURN(-EINVAL);
+ return -EINVAL;
}
if (hdr->ioc_len + buf >= end) {
CERROR("PORTALS: user buffer exceeds kernel buffer\n");
- RETURN(-EINVAL);
+ return -EINVAL;
}
if (hdr->ioc_len < sizeof(struct libcfs_ioctl_data)) {
CERROR("PORTALS: user buffer too small for ioctl\n");
- RETURN(-EINVAL);
+ return -EINVAL;
}
err = copy_from_user(buf, (void *)arg, hdr->ioc_len);
if (err)
- RETURN(err);
+ return err;
if (libcfs_ioctl_is_invalid(data)) {
CERROR("PORTALS: ioctl not correctly formatted\n");
- RETURN(-EINVAL);
+ return -EINVAL;
}
if (data->ioc_inllen1)
data->ioc_inlbuf2 = &data->ioc_bulk[0] +
cfs_size_round(data->ioc_inllen1);
- RETURN(0);
+ return 0;
}
int libcfs_ioctl_popdata(void *arg, void *data, int size)