tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_remove_return_value head: a9982873fa1b922bd9001be2720dc624970f47d8 commit: b5ecb947d7ee5c3510544593d3932cd6f6515afc [19/20] debugfs: remove return value of debugfs_create_u32() config: powerpc-randconfig-a001-20200308 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout b5ecb947d7ee5c3510544593d3932cd6f6515afc # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>
All errors (new ones prefixed by >>):
arch/powerpc/kernel/traps.c: In function 'ppc_warn_emulated_init':
>> arch/powerpc/kernel/traps.c:2293:4: error: void value not ignored as it
>> ought to be
d = debugfs_create_u32("do_warn", 0644, dir,
^
arch/powerpc/kernel/traps.c:2299:5: error: void value not ignored as it
ought to be
d = debugfs_create_u32(entries[i].name, 0644, dir,
^
vim +2293 arch/powerpc/kernel/traps.c
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2278
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2279 static int __init
ppc_warn_emulated_init(void)
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2280 {
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2281 struct dentry *dir, *d;
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2282 unsigned int i;
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2283 struct
ppc_emulated_entry *entries = (void *)&ppc_emulated;
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2284
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2285 if
(!powerpc_debugfs_root)
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2286 return -ENODEV;
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2287
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2288 dir =
debugfs_create_dir("emulated_instructions",
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2289
powerpc_debugfs_root);
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2290 if (!dir)
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2291 return -ENOMEM;
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2292
57ad583f2086d5 Russell Currey 2017-01-12 @2293 d =
debugfs_create_u32("do_warn", 0644, dir,
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2294
&ppc_warn_emulated);
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2295 if (!d)
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2296 goto fail;
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2297
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2298 for (i = 0; i <
sizeof(ppc_emulated)/sizeof(*entries); i++) {
57ad583f2086d5 Russell Currey 2017-01-12 2299 d =
debugfs_create_u32(entries[i].name, 0644, dir,
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2300
(u32 *)&entries[i].val.counter);
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2301 if (!d)
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2302 goto
fail;
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2303 }
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2304
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2305 return 0;
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2306
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2307 fail:
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2308
debugfs_remove_recursive(dir);
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2309 return -ENOMEM;
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2310 }
80947e7c99c29c Geert Uytterhoeven 2009-05-18 2311
:::::: The code at line 2293 was first introduced by commit
:::::: 57ad583f2086d55ada284c54bfc440123cf73964 powerpc: Use octal numbers for
file permissions
:::::: TO: Russell Currey <rus...@russell.cc>
:::::: CC: Michael Ellerman <m...@ellerman.id.au>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
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