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Message-ID: <202312100146.Nv4INLR5-lkp@intel.com>
Date:   Sun, 10 Dec 2023 01:52:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     Vimal Kumar <vimal.kumar32@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, chinmoyghosh2001@...il.com,
        badolevishal1116@...il.com, mintupatel89@...il.com,
        Vimal Kumar <vimal.kumar32@...il.com>
Subject: Re: [PATCH] PM / sleep: Mechanism to find source aborting kernel
 suspend transition

Hi Vimal,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on rafael-pm/acpi-bus linus/master rafael-pm/devprop v6.7-rc4 next-20231208]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Vimal-Kumar/PM-sleep-Mechanism-to-find-source-aborting-kernel-suspend-transition/20231209-161237
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20231209081056.1497-1-vimal.kumar32%40gmail.com
patch subject: [PATCH] PM / sleep: Mechanism to find source aborting kernel suspend transition
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20231210/202312100146.Nv4INLR5-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231210/202312100146.Nv4INLR5-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312100146.Nv4INLR5-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/base/power/wakeup.c:607:6: warning: no previous prototype for 'pm_add_abort_suspend_source' [-Wmissing-prototypes]
     607 | void pm_add_abort_suspend_source(const char *source_name)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from include/linux/rculist.h:10,
                    from include/linux/pid.h:5,
                    from include/linux/sched.h:14,
                    from include/linux/ratelimit.h:6,
                    from include/linux/dev_printk.h:16,
                    from include/linux/device.h:15,
                    from drivers/base/power/wakeup.c:9:
   drivers/base/power/wakeup.c: In function 'pm_wakeup_pending':
   drivers/base/power/wakeup.c:955:45: error: 'info' undeclared (first use in this function)
     955 |                         list_for_each_entry(info, &pm_abort_suspend_list, list) {
         |                                             ^~~~
   include/linux/list.h:778:14: note: in definition of macro 'list_for_each_entry'
     778 |         for (pos = list_first_entry(head, typeof(*pos), member);        \
         |              ^~~
   drivers/base/power/wakeup.c:955:45: note: each undeclared identifier is reported only once for each function it appears in
     955 |                         list_for_each_entry(info, &pm_abort_suspend_list, list) {
         |                                             ^~~~
   include/linux/list.h:778:14: note: in definition of macro 'list_for_each_entry'
     778 |         for (pos = list_first_entry(head, typeof(*pos), member);        \
         |              ^~~
   In file included from include/linux/bits.h:21,
                    from include/linux/ratelimit_types.h:5,
                    from include/linux/ratelimit.h:5,
                    from include/linux/dev_printk.h:16,
                    from include/linux/device.h:15,
                    from drivers/base/power/wakeup.c:9:
   include/linux/compiler_types.h:376:27: error: expression in static assertion is not an integer
     376 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                                        ^~~~
   include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |         ^~~~~~~~~~~~~
   include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |                       ^~~~~~~~~~~
   include/linux/list.h:601:9: note: in expansion of macro 'container_of'
     601 |         container_of(ptr, type, member)
         |         ^~~~~~~~~~~~
   include/linux/list.h:612:9: note: in expansion of macro 'list_entry'
     612 |         list_entry((ptr)->next, type, member)
         |         ^~~~~~~~~~
   include/linux/list.h:778:20: note: in expansion of macro 'list_first_entry'
     778 |         for (pos = list_first_entry(head, typeof(*pos), member);        \
         |                    ^~~~~~~~~~~~~~~~
   drivers/base/power/wakeup.c:955:25: note: in expansion of macro 'list_for_each_entry'
     955 |                         list_for_each_entry(info, &pm_abort_suspend_list, list) {
         |                         ^~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:376:27: error: expression in static assertion is not an integer
     376 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                                        ^~~~
   include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |         ^~~~~~~~~~~~~
   include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |                       ^~~~~~~~~~~
   include/linux/list.h:601:9: note: in expansion of macro 'container_of'
     601 |         container_of(ptr, type, member)
         |         ^~~~~~~~~~~~
   include/linux/list.h:645:9: note: in expansion of macro 'list_entry'
     645 |         list_entry((pos)->member.next, typeof(*(pos)), member)
         |         ^~~~~~~~~~
   include/linux/list.h:780:20: note: in expansion of macro 'list_next_entry'
     780 |              pos = list_next_entry(pos, member))
         |                    ^~~~~~~~~~~~~~~
   drivers/base/power/wakeup.c:955:25: note: in expansion of macro 'list_for_each_entry'
     955 |                         list_for_each_entry(info, &pm_abort_suspend_list, list) {
         |                         ^~~~~~~~~~~~~~~~~~~
   drivers/base/power/wakeup.c:956:33: error: implicit declaration of function 'log_suspend_abort_reason' [-Werror=implicit-function-declaration]
     956 |                                 log_suspend_abort_reason("ws or subsystem %s aborted suspend\n",
         |                                 ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers/base/power/wakeup.c: In function 'pm_system_wakeup':
   drivers/base/power/wakeup.c:967:18: error: 'MAX_SUSPEND_ABORT_LEN' undeclared (first use in this function)
     967 |         char buf[MAX_SUSPEND_ABORT_LEN];
         |                  ^~~~~~~~~~~~~~~~~~~~~
>> drivers/base/power/wakeup.c:967:14: warning: unused variable 'buf' [-Wunused-variable]
     967 |         char buf[MAX_SUSPEND_ABORT_LEN];
         |              ^~~
   cc1: some warnings being treated as errors


vim +/pm_add_abort_suspend_source +607 drivers/base/power/wakeup.c

   602	
   603	/**
   604	 * pm_add_abort_suspend_source: add sources who aborted system suspend transitions.
   605	 * @func_name: Name of the WS or subsystem which needs to added in the list
   606	 */
 > 607	void pm_add_abort_suspend_source(const char *source_name)
   608	{
   609		struct pm_abort_suspend_source *info = NULL;
   610	
   611		info = kmalloc(sizeof(struct pm_abort_suspend_source), GFP_KERNEL);
   612		if (unlikely(!info)) {
   613			pr_err("Failed to alloc memory for pm_abort_suspend_source info\n");
   614			return;
   615		}
   616	
   617		/* Initialize the list within the struct if it's not already initialized */
   618		if (list_empty(&info->list))
   619			INIT_LIST_HEAD(&info->list);
   620	
   621		info->source_triggering_abort_suspend = kstrdup(source_name, GFP_KERNEL);
   622		if (unlikely(!info->source_triggering_abort_suspend)) {
   623			pr_err("Failed to get abort_suspend source_name\n");
   624			kfree(info);
   625			return;
   626		}
   627	
   628		list_add_tail(&info->list, &pm_abort_suspend_list);
   629	}
   630	EXPORT_SYMBOL_GPL(pm_add_abort_suspend_source);
   631	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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