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) { ^ 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 https://lists.01.org/pipermail/kbuild-all Intel Corporation
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