Re: [PATCH v2 1/3] resource: Use list_head to link sibling resource

From: Baoquan He
Date: Sun Apr 08 2018 - 05:09:56 EST


On 04/08/18 at 01:55pm, kbuild test robot wrote:
> Hi Baoquan,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on linus/master]
> [also build test ERROR on v4.16 next-20180406]
> [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/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180408-110108
> config: sparc-defconfig (attached as .config)
> compiler: sparc-linux-gcc (GCC) 7.2.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # save the attached .config to linux build tree
> make.cross ARCH=sparc
>
> All errors (new ones prefixed by >>):
>
> arch/sparc/kernel/ioport.c: In function 'sparc_io_proc_show':
> >> arch/sparc/kernel/ioport.c:672:9: error: incompatible types when assigning to type 'struct resource *' from type 'struct list_head'
> for (r = root->child; r != NULL; r = r->sibling) {
> ^
> arch/sparc/kernel/ioport.c:672:37: error: incompatible types when assigning to type 'struct resource *' from type 'struct list_head'
> for (r = root->child; r != NULL; r = r->sibling) {
> ^

Thanks, will change and repost.

>
> vim +672 arch/sparc/kernel/ioport.c
>
> ^1da177e4 Linus Torvalds 2005-04-16 666
> e7a088f93 Alexey Dobriyan 2009-09-01 667 static int sparc_io_proc_show(struct seq_file *m, void *v)
> ^1da177e4 Linus Torvalds 2005-04-16 668 {
> e7a088f93 Alexey Dobriyan 2009-09-01 669 struct resource *root = m->private, *r;
> ^1da177e4 Linus Torvalds 2005-04-16 670 const char *nm;
> ^1da177e4 Linus Torvalds 2005-04-16 671
> e7a088f93 Alexey Dobriyan 2009-09-01 @672 for (r = root->child; r != NULL; r = r->sibling) {
> c31f76518 Sam Ravnborg 2014-04-21 673 if ((nm = r->name) == NULL) nm = "???";
> e7a088f93 Alexey Dobriyan 2009-09-01 674 seq_printf(m, "%016llx-%016llx: %s\n",
> 685143ac1 Greg Kroah-Hartman 2006-06-12 675 (unsigned long long)r->start,
> 685143ac1 Greg Kroah-Hartman 2006-06-12 676 (unsigned long long)r->end, nm);
> ^1da177e4 Linus Torvalds 2005-04-16 677 }
> ^1da177e4 Linus Torvalds 2005-04-16 678
> e7a088f93 Alexey Dobriyan 2009-09-01 679 return 0;
> ^1da177e4 Linus Torvalds 2005-04-16 680 }
> ^1da177e4 Linus Torvalds 2005-04-16 681
>
> :::::: The code at line 672 was first introduced by commit
> :::::: e7a088f935180b90cfe6ab0aaae8a556f46885fe sparc: convert /proc/io_map, /proc/dvma_map to seq_file
>
> :::::: TO: Alexey Dobriyan <adobriyan@xxxxxxxxx>
> :::::: CC: David S. Miller <davem@xxxxxxxxxxxxx>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
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