[driver-core:debugfs_remove_return_value 3/9] arch/powerpc/platforms/pseries/dtl.c:356:19: error: void value not ignored as it ought to be
kbuild test robot
lkp at intel.com
Tue Oct 1 13:36:36 UTC 2019
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_remove_return_value
head: 2a00e100fa7b9ee326af19617a84b138c8bd086a
commit: 7f3671a8c54b423d8227d7a58e6dc8c5734cda19 [3/9] debugfs: remove return value of debugfs_create_u32()
config: powerpc-ppc64_defconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 7f3671a8c54b423d8227d7a58e6dc8c5734cda19
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
arch/powerpc/platforms/pseries/dtl.c: In function 'dtl_init':
>> arch/powerpc/platforms/pseries/dtl.c:356:19: error: void value not ignored as it ought to be
buf_entries_file = debugfs_create_u32("dtl_buf_entries", 0400,
^
vim +356 arch/powerpc/platforms/pseries/dtl.c
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 335
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 336 static int dtl_init(void)
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 337 {
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 338 struct dentry *event_mask_file, *buf_entries_file;
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 339 int rc, i;
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 340
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 341 if (!firmware_has_feature(FW_FEATURE_SPLPAR))
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 342 return -ENODEV;
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 343
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 344 /* set up common debugfs structure */
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 345
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 346 rc = -ENOMEM;
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 347 dtl_dir = debugfs_create_dir("dtl", powerpc_debugfs_root);
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 348 if (!dtl_dir) {
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 349 printk(KERN_WARNING "%s: can't create dtl root dir\n",
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 350 __func__);
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 351 goto err;
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 352 }
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 353
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 354 event_mask_file = debugfs_create_x8("dtl_event_mask", 0600,
fc59a3fc8eed3a Jeremy Kerr 2009-03-11 355 dtl_dir, &dtl_event_mask);
af442a1baa6d00 Nishanth Aravamudan 2011-05-04 @356 buf_entries_file = debugfs_create_u32("dtl_buf_entries", 0400,
:::::: The code at line 356 was first introduced by commit
:::::: af442a1baa6d00117cc7e7377ce7e6a545268684 powerpc: Ensure dtl buffers do not cross 4k boundary
:::::: TO: Nishanth Aravamudan <nacc at us.ibm.com>
:::::: CC: Benjamin Herrenschmidt <benh at kernel.crashing.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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