Hi Dan, I love your patch! Perhaps something to improve: [auto build test WARNING on 48778464bb7d346b47157d21ffde2af6b2d39110] url: https://github.com/0day-ci/linux/commits/Dan-Williams/ACPI-NVDIMM-Runtime-Firmware-Activation/20200721-062902 base: 48778464bb7d346b47157d21ffde2af6b2d39110 :::::: branch date: 8 hours ago :::::: commit date: 8 hours ago config: x86_64-randconfig-s021-20200719 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-49-g707c5017-dirty # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/bluetooth/btusb.c:2245:25: sparse: sparse: cast to restricted __le16 drivers/bluetooth/btusb.c:2254:25: sparse: sparse: cast to restricted __le16 drivers/bluetooth/btusb.c:2255:25: sparse: sparse: cast to restricted __le16 drivers/bluetooth/btusb.c:2256:25: sparse: sparse: cast to restricted __le16 -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/cpufreq/cpufreq.c:471:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct notifier_block *nb @@ got struct notifier_block [noderef] __rcu *static [addressable] [toplevel] head @@ drivers/cpufreq/cpufreq.c:471:17: sparse: expected struct notifier_block *nb drivers/cpufreq/cpufreq.c:471:17: sparse: got struct notifier_block [noderef] __rcu *static [addressable] [toplevel] head drivers/cpufreq/cpufreq.c:471:65: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct notifier_block *nb @@ got struct notifier_block [noderef] __rcu *next @@ drivers/cpufreq/cpufreq.c:471:65: sparse: expected struct notifier_block *nb drivers/cpufreq/cpufreq.c:471:65: sparse: got struct notifier_block [noderef] __rcu *next -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/regulator/internal.h:43:42: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/core.c:1627:56: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/core.c:1629:56: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/core.c:455:17: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/core.c:455:25: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/core.c:469:47: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/core.c:3347:65: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/core.c:3823:47: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/core.c:3965:65: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/core.c:5527:54: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/core.c:5528:54: sparse: sparse: restricted suspend_state_t degrades to integer -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/regulator/internal.h:43:42: sparse: sparse: restricted suspend_state_t degrades to integer -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/regulator/of_regulator.c:18:43: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/of_regulator.c:193:22: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/of_regulator.c:196:22: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/of_regulator.c:199:22: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/of_regulator.c:202:22: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/of_regulator.c:203:22: sparse: sparse: restricted suspend_state_t degrades to integer drivers/regulator/of_regulator.c:252:26: sparse: sparse: restricted suspend_state_t degrades to integer -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/regulator/da9063-regulator.c:514:17: sparse: sparse: Initializer entry defined twice drivers/regulator/da9063-regulator.c:515:18: sparse: also defined here -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/tty/sysrq.c:148:13: sparse: sparse: context imbalance in 'sysrq_handle_crash' - unexpected unlock -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/base/firmware_loader/main.c:266:9: sparse: sparse: context imbalance in 'free_fw_priv' - wrong count at exit -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type init/do_mounts.c:408:30: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected char const [noderef] __user * @@ got char * @@ init/do_mounts.c:408:30: sparse: expected char const [noderef] __user * init/do_mounts.c:408:30: sparse: got char * init/do_mounts.c:412:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] __user *filename @@ got char * @@ init/do_mounts.c:412:20: sparse: expected char const [noderef] __user *filename init/do_mounts.c:412:20: sparse: got char * init/do_mounts.c:685:23: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected char const [noderef] __user * @@ got char * @@ init/do_mounts.c:685:23: sparse: expected char const [noderef] __user * init/do_mounts.c:685:23: sparse: got char * init/do_mounts.c:686:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] __user *filename @@ got char * @@ init/do_mounts.c:686:21: sparse: expected char const [noderef] __user *filename init/do_mounts.c:686:21: sparse: got char * init/do_mounts.h:19:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] __user *pathname @@ got char *name @@ init/do_mounts.h:19:21: sparse: expected char const [noderef] __user *pathname init/do_mounts.h:19:21: sparse: got char *name init/do_mounts.h:20:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const [noderef] __user *filename @@ got char *name @@ init/do_mounts.h:20:27: sparse: expected char const [noderef] __user *filename init/do_mounts.h:20:27: sparse: got char *name -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type kernel/umh.c:74:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/umh.c:74:31: sparse: expected struct spinlock [usertype] *lock kernel/umh.c:74:31: sparse: got struct spinlock [noderef] __rcu * kernel/umh.c:76:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ kernel/umh.c:76:33: sparse: expected struct spinlock [usertype] *lock kernel/umh.c:76:33: sparse: got struct spinlock [noderef] __rcu * -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type kernel/sys.c:1878:19: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct file [noderef] __rcu *__ret @@ got struct file *[assigned] file @@ kernel/sys.c:1878:19: sparse: expected struct file [noderef] __rcu *__ret kernel/sys.c:1878:19: sparse: got struct file *[assigned] file kernel/sys.c:1878:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct file *old_exe @@ got struct file [noderef] __rcu *[assigned] __ret @@ kernel/sys.c:1878:17: sparse: expected struct file *old_exe kernel/sys.c:1878:17: sparse: got struct file [noderef] __rcu *[assigned] __ret kernel/sys.c:2240:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user * @@ got int [noderef] __user **tid_addr @@ kernel/sys.c:2240:16: sparse: expected void const volatile [noderef] __user * kernel/sys.c:2240:16: sparse: got int [noderef] __user **tid_addr kernel/sys.c:1049:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_struct [noderef] __rcu *real_parent @@ kernel/sys.c:1049:32: sparse: expected struct task_struct *p1 kernel/sys.c:1049:32: sparse: got struct task_struct [noderef] __rcu *real_parent include/linux/sched/signal.h:693:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ include/linux/sched/signal.h:693:37: sparse: expected struct spinlock [usertype] *lock include/linux/sched/signal.h:693:37: sparse: got struct spinlock [noderef] __rcu * -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type kernel/sched/core.c:256:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:256:48: sparse: expected struct task_struct *p kernel/sched/core.c:256:48: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:512:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:512:38: sparse: expected struct task_struct *curr kernel/sched/core.c:512:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:1432:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:1432:33: sparse: expected struct task_struct *p kernel/sched/core.c:1432:33: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:1432:68: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:1432:68: sparse: expected struct task_struct *tsk kernel/sched/core.c:1432:68: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:3650:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:3650:38: sparse: expected struct task_struct *curr kernel/sched/core.c:3650:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:4083:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:4083:14: sparse: expected struct task_struct *prev kernel/sched/core.c:4083:14: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:4506:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:4506:17: sparse: struct task_struct * kernel/sched/core.c:4506:17: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:4705:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:4705:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:4705:22: sparse: struct task_struct * kernel/sched/core.c:8011:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:8011:25: sparse: expected struct task_struct *p kernel/sched/core.c:8011:25: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:256:11: sparse: sparse: dereference of noderef expression kernel/sched/core.c:1415:33: sparse: sparse: dereference of noderef expression kernel/sched/core.c:1416:19: sparse: sparse: dereference of noderef expression kernel/sched/core.c:1419:40: sparse: sparse: dereference of noderef expression kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * kernel/sched/sched.h:1803:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1803:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1803:9: sparse: struct task_struct * kernel/sched/sched.h:1803:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1803:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1803:9: sparse: struct task_struct * kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * kernel/sched/sched.h:1803:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1803:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1803:9: sparse: struct task_struct * kernel/sched/sched.h:1809:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1809:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1809:9: sparse: struct task_struct * kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * kernel/sched/sched.h:1803:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1803:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1803:9: sparse: struct task_struct * kernel/sched/sched.h:1809:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1809:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1809:9: sparse: struct task_struct * kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * kernel/sched/sched.h:1803:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1803:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1803:9: sparse: struct task_struct * kernel/sched/sched.h:1809:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1809:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1809:9: sparse: struct task_struct * kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * kernel/sched/sched.h:1803:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1803:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1803:9: sparse: struct task_struct * kernel/sched/sched.h:1809:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1809:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1809:9: sparse: struct task_struct * -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type kernel/sched/cputime.c:316:17: sparse: sparse: context imbalance in 'thread_group_cputime' - different lock contexts for basic block -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type kernel/sched/fair.c:881:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_entity *se @@ got struct sched_entity [noderef] __rcu * @@ kernel/sched/fair.c:881:34: sparse: expected struct sched_entity *se kernel/sched/fair.c:881:34: sparse: got struct sched_entity [noderef] __rcu * kernel/sched/fair.c:5386:38: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:5386:38: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:5386:38: sparse: struct task_struct * kernel/sched/fair.c:5401:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:5401:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:5401:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:6880:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:6880:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:6880:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:7131:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:7131:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:7131:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:10692:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10692:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:10692:22: sparse: struct task_struct * kernel/sched/fair.c:10825:30: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10825:30: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:10825:30: sparse: struct task_struct * kernel/sched/fair.c:5330:35: sparse: sparse: marked inline, but without a definition kernel/sched/sched.h:1803:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1803:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1803:9: sparse: struct task_struct * -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type kernel/sched/rt.c:912:70: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:912:70: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:912:70: sparse: struct task_struct * kernel/sched/rt.c:529:54: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:529:54: sparse: expected struct task_struct *curr kernel/sched/rt.c:529:54: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:998:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:998:38: sparse: expected struct task_struct *curr kernel/sched/rt.c:998:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1424:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1424:31: sparse: expected struct task_struct *p kernel/sched/rt.c:1424:31: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2300:46: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2300:46: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2300:46: sparse: struct task_struct * kernel/sched/rt.c:2320:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2320:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2320:22: sparse: struct task_struct * kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type kernel/sched/deadline.c:1721:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity *b @@ got struct sched_dl_entity [noderef] __rcu * @@ kernel/sched/deadline.c:1721:42: sparse: expected struct sched_dl_entity *b kernel/sched/deadline.c:1721:42: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1054:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1054:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:1054:23: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1183:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1183:38: sparse: expected struct task_struct *curr kernel/sched/deadline.c:1183:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2385:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2385:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2385:22: sparse: struct task_struct * kernel/sched/deadline.c:2404:46: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2404:46: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2404:46: sparse: struct task_struct * kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type include/linux/sched/signal.h:693:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ include/linux/sched/signal.h:693:37: sparse: expected struct spinlock [usertype] *lock include/linux/sched/signal.h:693:37: sparse: got struct spinlock [noderef] __rcu * include/linux/sched/signal.h:693:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ include/linux/sched/signal.h:693:37: sparse: expected struct spinlock [usertype] *lock include/linux/sched/signal.h:693:37: sparse: got struct spinlock [noderef] __rcu * include/linux/sched/signal.h:693:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ include/linux/sched/signal.h:693:37: sparse: expected struct spinlock [usertype] *lock include/linux/sched/signal.h:693:37: sparse: got struct spinlock [noderef] __rcu * include/linux/sched/signal.h:693:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ include/linux/sched/signal.h:693:37: sparse: expected struct spinlock [usertype] *lock include/linux/sched/signal.h:693:37: sparse: got struct spinlock [noderef] __rcu * include/linux/sched/signal.h:693:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ include/linux/sched/signal.h:693:37: sparse: expected struct spinlock [usertype] *lock include/linux/sched/signal.h:693:37: sparse: got struct spinlock [noderef] __rcu * -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type kernel/sched/debug.c:435:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/debug.c:435:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/debug.c:435:22: sparse: struct task_struct * kernel/sched/debug.c:643:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/debug.c:643:9: sparse: expected struct task_struct *tsk kernel/sched/debug.c:643:9: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/debug.c:643:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/debug.c:643:9: sparse: expected struct task_struct *tsk kernel/sched/debug.c:643:9: sparse: got struct task_struct [noderef] __rcu *curr -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type kernel/sched/psi.c:1205:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/psi.c:1205:9: sparse: void [noderef] __rcu * kernel/sched/psi.c:1205:9: sparse: void * kernel/sched/psi.c:734:30: sparse: sparse: dereference of noderef expression kernel/sched/sched.h:1657:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1657:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:1657:25: sparse: struct task_struct * -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type include/linux/gfp.h:325:27: sparse: sparse: restricted gfp_t degrades to integer -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/ata/libata-scsi.c:1784:13: sparse: sparse: context imbalance in 'ata_scsi_rbuf_get' - wrong count at exit drivers/ata/libata-scsi.c:1814:31: sparse: sparse: context imbalance in 'ata_scsi_rbuf_fill' - unexpected unlock -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/pci/pci-driver.c:494:42: sparse: sparse: restricted pci_power_t degrades to integer drivers/pci/pci-driver.c:494:61: sparse: sparse: restricted pci_power_t degrades to integer -- >> include/linux/suspend.h:470:15: sparse: sparse: 'hibernate_quiet_exec()' has implicit return type drivers/acpi/bus.c:37:20: sparse: sparse: symbol 'acpi_root' was not declared. Should it be static? # https://github.com/0day-ci/linux/commit/d55d8fef1e62acab40273b953e45a9d58f7e73c9 git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout d55d8fef1e62acab40273b953e45a9d58f7e73c9 vim +470 include/linux/suspend.h d55d8fef1e62ac Dan Williams 2020-07-20 469 d55d8fef1e62ac Dan Williams 2020-07-20 @470 static inline hibernate_quiet_exec(int (*func)(void *data), void *data) { d55d8fef1e62ac Dan Williams 2020-07-20 471 return -ENOTSUPP; d55d8fef1e62ac Dan Williams 2020-07-20 472 } fce2b111fae915 Cornelia Huck 2009-06-10 473 #endif /* CONFIG_HIBERNATION */ fce2b111fae915 Cornelia Huck 2009-06-10 474 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org