On 12/19/2016 03:34 AM, kbuild test robot wrote:
> Hi Heinrich,
>
> [auto build test ERROR on linus/master]
> [also build test ERROR on next-20161216]
> [cannot apply to glikely/devicetree/next robh/for-next v4.9]
> [if your patch is applied to the wrong git tree, please drop us a note to
> help improve the system]
>
> url:
> https://github.com/0day-ci/linux/commits/Heinrich-Schuchardt/of-overlay-sysfs-based-ABI-for-dt-overlays/20161219-093606
> config: i386-randconfig-r0-12190124 (attached as .config)
> compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=i386
>
> All error/warnings (new ones prefixed by >>):
>
> drivers/of/ov_sysfs.c: In function 'of_create_overlay_from_file':
> drivers/of/ov_sysfs.c:69:12: error: implicit declaration of function
> 'of_fdt_unflatten_tree' [-Werror=implicit-function-declaration]
select OF_EARLY_FLATTREE
is missing in Kconfig. It is automatically selected on ARM64 but not on
other architectures.
> overlay = of_fdt_unflatten_tree((unsigned long *) buffer, NULL, NULL);
> ^
>>> drivers/of/ov_sysfs.c:69:10: warning: assignment makes pointer from integer
>>> without a cast [-Wint-conversion]
> overlay = of_fdt_unflatten_tree((unsigned long *) buffer, NULL, NULL);
> ^
> cc1: some warnings being treated as errors
>
> vim +/of_fdt_unflatten_tree +69 drivers/of/ov_sysfs.c
>
> 63 offset < fdt_totalsize(buffer)) {
> 64 pr_err("OF: Size of %s does not match header
> information\n",
> 65 path);
> 66 ret = -EINVAL;
> 67 goto err_file_read;
> 68 }
> > 69 overlay = of_fdt_unflatten_tree((unsigned long *)
> buffer, NULL, NULL);
> 70 if (overlay == NULL) {
> 71 pr_err("OF: Cannot unflatten %s\n", path);
> 72 ret = -EINVAL;
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
>
