Hi Andy, kernel test robot noticed the following build errors: [auto build test ERROR on tiwai-sound/for-next] [also build test ERROR on tiwai-sound/for-linus linus/master v6.5 next-20230829] [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/Andy-Shevchenko/ALSA-control-Use-list_for_each_entry_safe/20230829-222521 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next patch link: https://lore.kernel.org/r/20230829142307.3916823-1-andriy.shevchenko%40linux.intel.com patch subject: [PATCH v2 1/1] ALSA: control: Use list_for_each_entry_safe() config: i386-buildonly-randconfig-001-20230829 (https://download.01.org/0day-ci/archive/20230830/202308300128.l96uIvcS-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230830/202308300128.l96uIvcS-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308300128.l96uIvcS-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> sound/core/control_led.c:304:3: error: assigning to 'struct snd_ctl_led_ctl' from incompatible type 'typeof (*(lctl)) *' (aka 'struct snd_ctl_led_ctl *'); dereference with * list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:777:5: note: expanded from macro 'list_for_each_entry_safe' n = list_next_entry(pos, member); \ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> sound/core/control_led.c:304:3: error: assigning to 'struct snd_ctl_led_ctl *' from incompatible type 'struct snd_ctl_led_ctl'; take the address with & list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^ ~~~~~ & include/linux/list.h:779:11: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^ ~ >> sound/core/control_led.c:304:3: error: member reference type 'struct snd_ctl_led_ctl' is not a pointer; did you mean to use '.'? list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:20: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:564:18: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:520:15: note: expanded from macro 'list_entry' container_of(ptr, type, member) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/container_of.h:19:26: note: expanded from macro 'container_of' void *__mptr = (void *)(ptr); \ ^~~ >> sound/core/control_led.c:304:3: error: member reference type 'struct snd_ctl_led_ctl' is not a pointer; did you mean to use '.'? list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:20: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:564:18: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:520:15: note: expanded from macro 'list_entry' container_of(ptr, type, member) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:338:63: note: expanded from macro '__same_type' #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) ^ include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert' #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert' #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) ^~~~ >> sound/core/control_led.c:304:3: error: indirection requires pointer operand ('struct snd_ctl_led_ctl' invalid) list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:20: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:564:40: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ include/linux/list.h:520:20: note: expanded from macro 'list_entry' container_of(ptr, type, member) ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:338:74: note: expanded from macro '__same_type' #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) ^ include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert' #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert' #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) ^~~~ >> sound/core/control_led.c:304:3: error: member reference type 'struct snd_ctl_led_ctl' is not a pointer; did you mean to use '.'? list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:20: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:564:18: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:520:15: note: expanded from macro 'list_entry' container_of(ptr, type, member) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:338:63: note: expanded from macro '__same_type' #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) ^ include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert' #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert' #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) ^~~~ >> sound/core/control_led.c:304:3: error: indirection requires pointer operand ('struct snd_ctl_led_ctl' invalid) list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:20: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:564:40: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ include/linux/list.h:520:20: note: expanded from macro 'list_entry' container_of(ptr, type, member) ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~ include/linux/container_of.h:23:4: note: expanded from macro 'container_of' ((type *)(__mptr - offsetof(type, member))); }) ^~~~ >> sound/core/control_led.c:304:3: error: indirection requires pointer operand ('struct snd_ctl_led_ctl' invalid) list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:20: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:564:40: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ include/linux/list.h:520:20: note: expanded from macro 'list_entry' container_of(ptr, type, member) ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~ include/linux/container_of.h:23:30: note: expanded from macro 'container_of' ((type *)(__mptr - offsetof(type, member))); }) ~~~~~~~~~^~~~~~~~~~~~~ include/linux/stddef.h:16:51: note: expanded from macro 'offsetof' #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER) ^~~~ >> sound/core/control_led.c:304:3: error: assigning to 'struct snd_ctl_led_ctl' from incompatible type 'void' list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:18: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/core/control_led.c:329:2: error: assigning to 'struct snd_ctl_led_ctl' from incompatible type 'typeof (*(lctl)) *' (aka 'struct snd_ctl_led_ctl *'); dereference with * list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:777:5: note: expanded from macro 'list_for_each_entry_safe' n = list_next_entry(pos, member); \ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/core/control_led.c:329:2: error: assigning to 'struct snd_ctl_led_ctl *' from incompatible type 'struct snd_ctl_led_ctl'; take the address with & list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^ ~~~~~ & include/linux/list.h:779:11: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^ ~ sound/core/control_led.c:329:2: error: member reference type 'struct snd_ctl_led_ctl' is not a pointer; did you mean to use '.'? list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:20: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:564:18: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:520:15: note: expanded from macro 'list_entry' container_of(ptr, type, member) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/container_of.h:19:26: note: expanded from macro 'container_of' void *__mptr = (void *)(ptr); \ ^~~ sound/core/control_led.c:329:2: error: member reference type 'struct snd_ctl_led_ctl' is not a pointer; did you mean to use '.'? list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:20: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:564:18: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:520:15: note: expanded from macro 'list_entry' container_of(ptr, type, member) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:338:63: note: expanded from macro '__same_type' #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) ^ include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert' #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert' #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) ^~~~ sound/core/control_led.c:329:2: error: indirection requires pointer operand ('struct snd_ctl_led_ctl' invalid) list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:20: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:564:40: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ include/linux/list.h:520:20: note: expanded from macro 'list_entry' container_of(ptr, type, member) ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:338:74: note: expanded from macro '__same_type' #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) ^ include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert' #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert' #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) ^~~~ sound/core/control_led.c:329:2: error: member reference type 'struct snd_ctl_led_ctl' is not a pointer; did you mean to use '.'? list_for_each_entry_safe(lctl, _lctl, &led->controls, list) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:779:20: note: expanded from macro 'list_for_each_entry_safe' pos = n, n = list_next_entry(n, member)) ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:564:18: note: expanded from macro 'list_next_entry' list_entry((pos)->member.next, typeof(*(pos)), member) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:520:15: note: expanded from macro 'list_entry' container_of(ptr, type, member) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:338:63: note: expanded from macro '__same_type' #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) ^ include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert' #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert' #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) ^~~~ sound/core/control_led.c:329:2: error: indirection requires pointer operand ('struct snd_ctl_led_ctl' invalid) vim +304 sound/core/control_led.c 295 296 static void snd_ctl_led_clean(struct snd_card *card) 297 { 298 unsigned int group; 299 struct snd_ctl_led *led; 300 struct snd_ctl_led_ctl *lctl, _lctl; 301 302 for (group = 0; group < MAX_LED; group++) { 303 led = &snd_ctl_leds[group]; > 304 list_for_each_entry_safe(lctl, _lctl, &led->controls, list) 305 if (!card || lctl->card == card) 306 snd_ctl_led_ctl_destroy(lctl); 307 } 308 } 309 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki