Hi Frank,

I love your patch! Yet something to improve:

[auto build test ERROR on robh/for-next]
[also build test ERROR on v4.16-rc1 next-20180216]
[cannot apply to glikely/devicetree/next]
[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/frowand-list-gmail-com/of-change-overlay-apply-input-data-from-unflattened/20180218-095108
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: i386-randconfig-x018-201807 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/of/overlay.c: In function 'of_overlay_fdt_apply':
>> drivers/of/overlay.c:832:2: error: implicit declaration of function 
>> 'of_fdt_unflatten_tree' [-Werror=implicit-function-declaration]
     of_fdt_unflatten_tree(new_fdt, NULL, &overlay_root);
     ^~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/of_fdt_unflatten_tree +832 drivers/of/overlay.c

   806  
   807  int of_overlay_fdt_apply(void *overlay_fdt, int *ovcs_id)
   808  {
   809          const void *new_fdt;
   810          int ret;
   811          u32 size;
   812          struct device_node *overlay_root;
   813  
   814          *ovcs_id = 0;
   815          ret = 0;
   816  
   817          if (fdt_check_header(overlay_fdt)) {
   818                  pr_err("Invalid overlay_fdt header\n");
   819                  return -EINVAL;
   820          }
   821  
   822          size = fdt_totalsize(overlay_fdt);
   823  
   824          /*
   825           * Must create permanent copy of FDT because 
of_fdt_unflatten_tree()
   826           * will create pointers to the passed in FDT in the unflattened 
tree.
   827           */
   828          new_fdt = kmemdup(overlay_fdt, size, GFP_KERNEL);
   829          if (!new_fdt)
   830                  return -ENOMEM;
   831  
 > 832          of_fdt_unflatten_tree(new_fdt, NULL, &overlay_root);
   833          if (!overlay_root) {
   834                  pr_err("unable to unflatten overlay_fdt\n");
   835                  ret = -EINVAL;
   836                  goto out_free_new_fdt;
   837          }
   838  
   839          ret = of_overlay_apply(new_fdt, overlay_root, ovcs_id);
   840          if (ret < 0) {
   841                  /*
   842                   * new_fdt and overlay_root now belong to the overlay
   843                   * changeset.
   844                   * overlay changeset code is responsible for freeing 
them.
   845                   */
   846                  goto out;
   847          }
   848  
   849          return 0;
   850  
   851  
   852  out_free_new_fdt:
   853          kfree(new_fdt);
   854  
   855  out:
   856          return ret;
   857  }
   858  EXPORT_SYMBOL_GPL(of_overlay_fdt_apply);
   859  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip

Reply via email to