C++ (Cpp) libcfs_ioctl_is_invalid 예제들

예제 #1

파일: linux-module.c 프로젝트: 383530895/linux

int libcfs_ioctl_getdata(char *buf, char *end, void *arg)
{
	struct libcfs_ioctl_hdr   *hdr;
	struct libcfs_ioctl_data  *data;
	int orig_len;

	hdr = (struct libcfs_ioctl_hdr *)buf;
	data = (struct libcfs_ioctl_data *)buf;

	if (copy_from_user(buf, (void *)arg, sizeof(*hdr)))
		return -EFAULT;

	if (hdr->ioc_version != LIBCFS_IOCTL_VERSION) {
		CERROR("PORTALS: version mismatch kernel vs application\n");
		return -EINVAL;
	}

	if (hdr->ioc_len + buf >= end) {
		CERROR("PORTALS: user buffer exceeds kernel buffer\n");
		return -EINVAL;
	}


	if (hdr->ioc_len < sizeof(struct libcfs_ioctl_data)) {
		CERROR("PORTALS: user buffer too small for ioctl\n");
		return -EINVAL;
	}

	orig_len = hdr->ioc_len;
	if (copy_from_user(buf, (void *)arg, hdr->ioc_len))
		return -EFAULT;
	if (orig_len != data->ioc_len)
		return -EINVAL;

	if (libcfs_ioctl_is_invalid(data)) {
		CERROR("PORTALS: ioctl not correctly formatted\n");
		return -EINVAL;
	}

	if (data->ioc_inllen1)
		data->ioc_inlbuf1 = &data->ioc_bulk[0];

	if (data->ioc_inllen2)
		data->ioc_inlbuf2 = &data->ioc_bulk[0] +
			cfs_size_round(data->ioc_inllen1);

	return 0;
}

예제 #2

파일: linux-module.c 프로젝트: hocks/lustre-release

int libcfs_ioctl_getdata(char *buf, char *end, void *arg)
{
        struct libcfs_ioctl_hdr   *hdr;
        struct libcfs_ioctl_data  *data;
        int err;
        ENTRY;

        hdr = (struct libcfs_ioctl_hdr *)buf;
        data = (struct libcfs_ioctl_data *)buf;

        err = copy_from_user(buf, (void *)arg, sizeof(*hdr));
        if (err)
                RETURN(err);

        if (hdr->ioc_version != LIBCFS_IOCTL_VERSION) {
                CERROR("PORTALS: version mismatch kernel vs application\n");
                RETURN(-EINVAL);
        }

        if (hdr->ioc_len + buf >= end) {
                CERROR("PORTALS: user buffer exceeds kernel buffer\n");
                RETURN(-EINVAL);
        }


        if (hdr->ioc_len < sizeof(struct libcfs_ioctl_data)) {
                CERROR("PORTALS: user buffer too small for ioctl\n");
                RETURN(-EINVAL);
        }

        err = copy_from_user(buf, (void *)arg, hdr->ioc_len);
        if (err)
                RETURN(err);

        if (libcfs_ioctl_is_invalid(data)) {
                CERROR("PORTALS: ioctl not correctly formatted\n");
                RETURN(-EINVAL);
        }

        if (data->ioc_inllen1)
                data->ioc_inlbuf1 = &data->ioc_bulk[0];

        if (data->ioc_inllen2)
                data->ioc_inlbuf2 = &data->ioc_bulk[0] +
                        cfs_size_round(data->ioc_inllen1);

        RETURN(0);
}

예제 #3

파일: linux-module.c 프로젝트: AK101111/linux

int libcfs_ioctl_data_adjust(struct libcfs_ioctl_data *data)
{
	if (libcfs_ioctl_is_invalid(data)) {
		CERROR("libcfs ioctl: parameter not correctly formatted\n");
		return -EINVAL;
	}

	if (data->ioc_inllen1)
		data->ioc_inlbuf1 = &data->ioc_bulk[0];

	if (data->ioc_inllen2)
		data->ioc_inlbuf2 = &data->ioc_bulk[0] +
			cfs_size_round(data->ioc_inllen1);

	return 0;
}

예제 #4

파일: linux-module.c 프로젝트: Xyratex/lustre-stable

int libcfs_ioctl_data_adjust(struct libcfs_ioctl_data *data)
{
	ENTRY;

	if (libcfs_ioctl_is_invalid(data)) {
		CERROR("libcfs ioctl: parameter not correctly formatted\n");
		RETURN(-EINVAL);
	}

	if (data->ioc_inllen1 != 0)
		data->ioc_inlbuf1 = &data->ioc_bulk[0];

	if (data->ioc_inllen2 != 0)
		data->ioc_inlbuf2 = &data->ioc_bulk[0] +
				    cfs_size_round(data->ioc_inllen1);

	RETURN(0);
}