From: kernel test robot <lkp@intel.com>
To: "Ricardo B. Marliere" <ricardo@marliere.net>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>,
Tejun Heo <tj@kernel.org>
Subject: [linux-next:master 3841/4021] kernel/workqueue.c:6798:32: error: passing 'const struct bus_type *' to parameter of type 'struct bus_type *' discards qualifiers
Date: Mon, 5 Feb 2024 15:15:45 +0800 [thread overview]
Message-ID: <202402051505.kM9Rr3CJ-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 23e11d0318521e8693459b0e4d23aec614b3b68b
commit: d412ace11144aa2bf692c7cf9778351efc15c827 [3841/4021] workqueue: make wq_subsys const
config: i386-buildonly-randconfig-003-20240205 (https://download.01.org/0day-ci/archive/20240205/202402051505.kM9Rr3CJ-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240205/202402051505.kM9Rr3CJ-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402051505.kM9Rr3CJ-lkp@intel.com/
Note: the linux-next/master HEAD 23e11d0318521e8693459b0e4d23aec614b3b68b builds fine.
It may have been fixed somewhere.
All errors (new ones prefixed by >>):
>> kernel/workqueue.c:6798:32: error: passing 'const struct bus_type *' to parameter of type 'struct bus_type *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
6798 | err = subsys_virtual_register(&wq_subsys, NULL);
| ^~~~~~~~~~
include/linux/device.h:77:46: note: passing argument to parameter 'subsys' here
77 | int subsys_virtual_register(struct bus_type *subsys,
| ^
1 error generated.
vim +6798 kernel/workqueue.c
b05a79280b346e Frederic Weisbecker 2015-04-27 6792
6ba94429c8e7b8 Frederic Weisbecker 2015-04-02 6793 static int __init wq_sysfs_init(void)
2d3854a37e8b76 Rusty Russell 2008-11-05 6794 {
686f669780276d Greg Kroah-Hartman 2023-03-13 6795 struct device *dev_root;
b05a79280b346e Frederic Weisbecker 2015-04-27 6796 int err;
b05a79280b346e Frederic Weisbecker 2015-04-27 6797
b05a79280b346e Frederic Weisbecker 2015-04-27 @6798 err = subsys_virtual_register(&wq_subsys, NULL);
b05a79280b346e Frederic Weisbecker 2015-04-27 6799 if (err)
b05a79280b346e Frederic Weisbecker 2015-04-27 6800 return err;
b05a79280b346e Frederic Weisbecker 2015-04-27 6801
686f669780276d Greg Kroah-Hartman 2023-03-13 6802 dev_root = bus_get_dev_root(&wq_subsys);
686f669780276d Greg Kroah-Hartman 2023-03-13 6803 if (dev_root) {
fe28f631fa941f Waiman Long 2023-10-25 6804 struct device_attribute *attr;
fe28f631fa941f Waiman Long 2023-10-25 6805
fe28f631fa941f Waiman Long 2023-10-25 6806 for (attr = wq_sysfs_cpumask_attrs; attr->attr.name; attr++) {
fe28f631fa941f Waiman Long 2023-10-25 6807 err = device_create_file(dev_root, attr);
fe28f631fa941f Waiman Long 2023-10-25 6808 if (err)
fe28f631fa941f Waiman Long 2023-10-25 6809 break;
fe28f631fa941f Waiman Long 2023-10-25 6810 }
686f669780276d Greg Kroah-Hartman 2023-03-13 6811 put_device(dev_root);
686f669780276d Greg Kroah-Hartman 2023-03-13 6812 }
686f669780276d Greg Kroah-Hartman 2023-03-13 6813 return err;
2d3854a37e8b76 Rusty Russell 2008-11-05 6814 }
6ba94429c8e7b8 Frederic Weisbecker 2015-04-02 6815 core_initcall(wq_sysfs_init);
2d3854a37e8b76 Rusty Russell 2008-11-05 6816
:::::: The code at line 6798 was first introduced by commit
:::::: b05a79280b346eb24ddb73b39988398015291075 workqueue: Create low-level unbound workqueues cpumask
:::::: TO: Frederic Weisbecker <fweisbec@gmail.com>
:::::: CC: Tejun Heo <tj@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2024-02-05 7:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-05 7:15 kernel test robot [this message]
2024-02-05 13:29 ` Ricardo B. Marliere
2024-02-05 17:43 ` Tejun Heo
2024-02-06 17:48 ` Ricardo B. Marliere
2024-02-05 17:41 ` [PATCH wq/for-6.9] Revert "workqueue: make wq_subsys const" Tejun Heo
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