lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Message-ID: <202401040029.M1sKZhsV-lkp@intel.com>
Date: Thu, 4 Jan 2024 02:24:52 +0800
From: kernel test robot <lkp@...el.com>
To: Huacai Chen <chenhuacai@...ngson.cn>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: kernel/power/autosleep.c:46:13: sparse: sparse: restricted
 suspend_state_t degrades to integer

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   610a9b8f49fbcf1100716370d3b5f6f884a2835a
commit: 366bb35a8e48198cefcd3484ac6b2374d1347873 LoongArch: Add suspend (ACPI S3) support
date:   1 year, 1 month ago
config: loongarch-randconfig-r035-20230529 (https://download.01.org/0day-ci/archive/20240104/202401040029.M1sKZhsV-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20240104/202401040029.M1sKZhsV-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/202401040029.M1sKZhsV-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> kernel/power/autosleep.c:46:13: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/autosleep.c:46:32: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/autosleep.c:71:13: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/autosleep.c:71:31: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/autosleep.c:94:13: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/autosleep.c:94:22: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/autosleep.c:106:13: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/autosleep.c:106:21: sparse: sparse: restricted suspend_state_t degrades to integer
--
>> kernel/power/suspend.c:92:54: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected int val @@     got restricted suspend_state_t [usertype] @@
   kernel/power/suspend.c:92:54: sparse:     expected int val
   kernel/power/suspend.c:92:54: sparse:     got restricted suspend_state_t [usertype]
   kernel/power/suspend.c:117:54: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected int val @@     got restricted suspend_state_t [usertype] @@
   kernel/power/suspend.c:117:54: sparse:     expected int val
   kernel/power/suspend.c:117:54: sparse:     got restricted suspend_state_t [usertype]
>> kernel/power/suspend.c:178:19: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:178:47: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:179:19: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:179:51: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:184:26: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:184:65: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:191:42: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:191:51: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:192:38: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:193:51: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:191:72: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:215:34: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:215:73: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:216:27: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:216:59: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:221:34: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:221:69: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:222:21: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:222:42: sparse: sparse: restricted suspend_state_t degrades to integer
>> kernel/power/suspend.c:445:33: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected int val @@     got restricted suspend_state_t [usertype] state @@
   kernel/power/suspend.c:445:33: sparse:     expected int val
   kernel/power/suspend.c:445:33: sparse:     got restricted suspend_state_t [usertype] state
   kernel/power/suspend.c:448:33: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected int val @@     got restricted suspend_state_t [usertype] state @@
   kernel/power/suspend.c:448:33: sparse:     expected int val
   kernel/power/suspend.c:448:33: sparse:     got restricted suspend_state_t [usertype] state
   kernel/power/suspend.c:518:53: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected int val @@     got restricted suspend_state_t [usertype] state @@
   kernel/power/suspend.c:518:53: sparse:     expected int val
   kernel/power/suspend.c:518:53: sparse:     got restricted suspend_state_t [usertype] state
   kernel/power/suspend.c:520:53: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected int val @@     got restricted suspend_state_t [usertype] state @@
   kernel/power/suspend.c:520:53: sparse:     expected int val
   kernel/power/suspend.c:520:53: sparse:     got restricted suspend_state_t [usertype] state
   kernel/power/suspend.c:557:52: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected int val @@     got restricted suspend_state_t [usertype] state @@
   kernel/power/suspend.c:557:52: sparse:     expected int val
   kernel/power/suspend.c:557:52: sparse:     got restricted suspend_state_t [usertype] state
   kernel/power/suspend.c:580:9: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:589:52: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected int val @@     got restricted suspend_state_t [usertype] state @@
   kernel/power/suspend.c:589:52: sparse:     expected int val
   kernel/power/suspend.c:589:52: sparse:     got restricted suspend_state_t [usertype] state
   kernel/power/suspend.c:590:9: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:615:13: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:615:22: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:615:39: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:615:48: sparse: sparse: restricted suspend_state_t degrades to integer
   kernel/power/suspend.c:618:9: sparse: sparse: restricted suspend_state_t degrades to integer

vim +46 kernel/power/autosleep.c

7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  26  
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  27  static void try_to_suspend(struct work_struct *work)
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  28  {
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  29  	unsigned int initial_count, final_count;
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  30  
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  31  	if (!pm_get_wakeup_count(&initial_count, true))
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  32  		goto out;
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  33  
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  34  	mutex_lock(&autosleep_lock);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  35  
e5248a111bf404 Liu ShuoX         2013-07-11  36  	if (!pm_save_wakeup_count(initial_count) ||
e5248a111bf404 Liu ShuoX         2013-07-11  37  		system_state != SYSTEM_RUNNING) {
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  38  		mutex_unlock(&autosleep_lock);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  39  		goto out;
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  40  	}
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  41  
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  42  	if (autosleep_state == PM_SUSPEND_ON) {
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  43  		mutex_unlock(&autosleep_lock);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  44  		return;
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  45  	}
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29 @46  	if (autosleep_state >= PM_SUSPEND_MAX)
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  47  		hibernate();
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  48  	else
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  49  		pm_suspend(autosleep_state);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  50  
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  51  	mutex_unlock(&autosleep_lock);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  52  
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  53  	if (!pm_get_wakeup_count(&final_count, false))
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  54  		goto out;
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  55  
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  56  	/*
e4b2897ae1a81c Lu Jialin         2021-04-08  57  	 * If the wakeup occurred for an unknown reason, wait to prevent the
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  58  	 * system from trying to suspend and waking up in a tight loop.
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  59  	 */
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  60  	if (final_count == initial_count)
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  61  		schedule_timeout_uninterruptible(HZ / 2);
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  62  
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  63   out:
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  64  	queue_up_suspend_work();
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  65  }
7483b4a4d9abf9 Rafael J. Wysocki 2012-04-29  66  

:::::: The code at line 46 was first introduced by commit
:::::: 7483b4a4d9abf9dcf1ffe6e805ead2847ec3264e PM / Sleep: Implement opportunistic sleep, v2

:::::: TO: Rafael J. Wysocki <rjw@...k.pl>
:::::: CC: Rafael J. Wysocki <rjw@...k.pl>

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

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ