* Re: [PATCH 2/2] ACPI: sysfs: apply ACPI_NONSTRING annotation
2025-04-04 8:25 ` [PATCH 2/2] ACPI: sysfs: " Ahmed Salem
@ 2025-04-05 4:39 ` kernel test robot
2025-04-05 7:04 ` kernel test robot
1 sibling, 0 replies; 5+ messages in thread
From: kernel test robot @ 2025-04-05 4:39 UTC (permalink / raw)
To: Ahmed Salem, robert.moore, rafael.j.wysocki, lenb
Cc: oe-kbuild-all, skhan, linux-kernel-mentees, linux-acpi,
acpica-devel, linux-kernel
Hi Ahmed,
kernel test robot noticed the following build errors:
[auto build test ERROR on b3c623b9a94f7f798715c87e7a75ceeecf15292f]
url: https://github.com/intel-lab-lkp/linux/commits/Ahmed-Salem/ACPI-PRM-apply-ACPI_NONSTRING-annotation/20250404-162651
base: b3c623b9a94f7f798715c87e7a75ceeecf15292f
patch link: https://lore.kernel.org/r/dcc3a018fb28899b277df2e154740d59d4e404af.1743754416.git.x0rw3ll%40gmail.com
patch subject: [PATCH 2/2] ACPI: sysfs: apply ACPI_NONSTRING annotation
config: loongarch-randconfig-002-20250405 (https://download.01.org/0day-ci/archive/20250405/202504051219.T47PnjYj-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250405/202504051219.T47PnjYj-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/202504051219.T47PnjYj-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/acpi/sysfs.c:310:38: error: expected ':', ',', ';', '}' or '__attribute__' before 'ACPI_NONSTRING'
310 | char name[ACPI_NAMESEG_SIZE] ACPI_NONSTRING;
| ^~~~~~~~~~~~~~
drivers/acpi/sysfs.c: In function 'acpi_table_show':
>> drivers/acpi/sysfs.c:331:43: error: 'struct acpi_table_attr' has no member named 'name'
331 | status = acpi_get_table(table_attr->name, table_attr->instance,
| ^~
>> drivers/acpi/sysfs.c:331:61: error: 'struct acpi_table_attr' has no member named 'instance'
331 | status = acpi_get_table(table_attr->name, table_attr->instance,
| ^~
In file included from include/acpi/acpi.h:24,
from include/linux/acpi.h:26,
from drivers/acpi/sysfs.c:8:
drivers/acpi/sysfs.c: In function 'acpi_table_attr_init':
drivers/acpi/sysfs.c:351:37: error: 'struct acpi_table_attr' has no member named 'name'
351 | ACPI_COPY_NAMESEG(table_attr->name, table_header->signature);
| ^~
include/acpi/actypes.h:501:66: note: in definition of macro 'ACPI_CAST_PTR'
501 | #define ACPI_CAST_PTR(t, p) ((t *) (acpi_uintptr_t) (p))
| ^
drivers/acpi/sysfs.c:351:9: note: in expansion of macro 'ACPI_COPY_NAMESEG'
351 | ACPI_COPY_NAMESEG(table_attr->name, table_header->signature);
| ^~~~~~~~~~~~~~~~~
In file included from include/linux/bits.h:22,
from include/linux/ioport.h:13,
from include/linux/acpi.h:12:
>> include/linux/container_of.h:20:54: error: 'struct acpi_table_attr' has no member named 'node'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~
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:770:20: note: in expansion of macro 'list_first_entry'
770 | for (pos = list_first_entry(head, typeof(*pos), member); \
| ^~~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:353:9: note: in expansion of macro 'list_for_each_entry'
353 | list_for_each_entry(attr, &acpi_table_attr_list, node) {
| ^~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:498:27: error: expression in static assertion is not an integer
498 | #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:770:20: note: in expansion of macro 'list_first_entry'
770 | for (pos = list_first_entry(head, typeof(*pos), member); \
| ^~~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:353:9: note: in expansion of macro 'list_for_each_entry'
353 | list_for_each_entry(attr, &acpi_table_attr_list, node) {
| ^~~~~~~~~~~~~~~~~~~
In file included from include/uapi/linux/posix_types.h:5,
from include/uapi/linux/types.h:14,
from include/linux/types.h:6,
from include/linux/kasan-checks.h:5,
from include/asm-generic/rwonce.h:26,
from ./arch/loongarch/include/generated/asm/rwonce.h:1,
from include/linux/compiler.h:370,
from include/linux/build_bug.h:5:
>> include/linux/stddef.h:16:33: error: 'struct acpi_table_attr' has no member named 'node'
16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~
include/linux/container_of.h:23:28: note: in expansion of macro 'offsetof'
23 | ((type *)(__mptr - offsetof(type, 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:770:20: note: in expansion of macro 'list_first_entry'
770 | for (pos = list_first_entry(head, typeof(*pos), member); \
| ^~~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:353:9: note: in expansion of macro 'list_for_each_entry'
353 | list_for_each_entry(attr, &acpi_table_attr_list, node) {
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/resource_ext.h:9,
from include/linux/acpi.h:13:
>> include/linux/list.h:761:26: error: 'struct acpi_table_attr' has no member named 'node'
761 | list_is_head(&pos->member, (head))
| ^~
include/linux/list.h:771:15: note: in expansion of macro 'list_entry_is_head'
771 | !list_entry_is_head(pos, head, member); \
| ^~~~~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:353:9: note: in expansion of macro 'list_for_each_entry'
353 | list_for_each_entry(attr, &acpi_table_attr_list, node) {
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/list.h:5:
include/linux/list.h:645:25: error: 'struct acpi_table_attr' has no member named 'node'
645 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
include/linux/container_of.h:19:33: note: in definition of macro 'container_of'
19 | void *__mptr = (void *)(ptr); \
| ^~~
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:772:20: note: in expansion of macro 'list_next_entry'
772 | pos = list_next_entry(pos, member))
| ^~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:353:9: note: in expansion of macro 'list_for_each_entry'
353 | list_for_each_entry(attr, &acpi_table_attr_list, node) {
| ^~~~~~~~~~~~~~~~~~~
include/linux/list.h:645:25: error: 'struct acpi_table_attr' has no member named 'node'
645 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
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:772:20: note: in expansion of macro 'list_next_entry'
772 | pos = list_next_entry(pos, member))
| ^~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:353:9: note: in expansion of macro 'list_for_each_entry'
353 | list_for_each_entry(attr, &acpi_table_attr_list, node) {
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/container_of.h:20:54: error: 'struct acpi_table_attr' has no member named 'node'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~
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:772:20: note: in expansion of macro 'list_next_entry'
772 | pos = list_next_entry(pos, member))
| ^~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:353:9: note: in expansion of macro 'list_for_each_entry'
353 | list_for_each_entry(attr, &acpi_table_attr_list, node) {
| ^~~~~~~~~~~~~~~~~~~
include/linux/list.h:645:25: error: 'struct acpi_table_attr' has no member named 'node'
645 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~
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:21:23: note: in expansion of macro '__same_type'
21 | __same_type(*(ptr), void), \
| ^~~~~~~~~~~
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:772:20: note: in expansion of macro 'list_next_entry'
772 | pos = list_next_entry(pos, member))
| ^~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:353:9: note: in expansion of macro 'list_for_each_entry'
353 | list_for_each_entry(attr, &acpi_table_attr_list, node) {
| ^~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:498:27: error: expression in static assertion is not an integer
498 | #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:772:20: note: in expansion of macro 'list_next_entry'
772 | pos = list_next_entry(pos, member))
| ^~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:353:9: note: in expansion of macro 'list_for_each_entry'
353 | list_for_each_entry(attr, &acpi_table_attr_list, node) {
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/stddef.h:16:33: error: 'struct acpi_table_attr' has no member named 'node'
16 | #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~
include/linux/container_of.h:23:28: note: in expansion of macro 'offsetof'
23 | ((type *)(__mptr - offsetof(type, 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:772:20: note: in expansion of macro 'list_next_entry'
772 | pos = list_next_entry(pos, member))
| ^~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:353:9: note: in expansion of macro 'list_for_each_entry'
353 | list_for_each_entry(attr, &acpi_table_attr_list, node) {
| ^~~~~~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:354:52: error: 'struct acpi_table_attr' has no member named 'name'
354 | if (ACPI_COMPARE_NAMESEG(table_attr->name, attr->name))
| ^~
include/acpi/actypes.h:501:66: note: in definition of macro 'ACPI_CAST_PTR'
501 | #define ACPI_CAST_PTR(t, p) ((t *) (acpi_uintptr_t) (p))
| ^
drivers/acpi/sysfs.c:354:21: note: in expansion of macro 'ACPI_COMPARE_NAMESEG'
354 | if (ACPI_COMPARE_NAMESEG(table_attr->name, attr->name))
| ^~~~~~~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:354:64: error: 'struct acpi_table_attr' has no member named 'name'
354 | if (ACPI_COMPARE_NAMESEG(table_attr->name, attr->name))
| ^~
include/acpi/actypes.h:501:66: note: in definition of macro 'ACPI_CAST_PTR'
501 | #define ACPI_CAST_PTR(t, p) ((t *) (acpi_uintptr_t) (p))
| ^
drivers/acpi/sysfs.c:354:21: note: in expansion of macro 'ACPI_COMPARE_NAMESEG'
354 | if (ACPI_COMPARE_NAMESEG(table_attr->name, attr->name))
| ^~~~~~~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:355:39: error: 'struct acpi_table_attr' has no member named 'instance'
355 | if (table_attr->instance < attr->instance)
| ^~
drivers/acpi/sysfs.c:355:56: error: 'struct acpi_table_attr' has no member named 'instance'
355 | if (table_attr->instance < attr->instance)
| ^~
drivers/acpi/sysfs.c:356:43: error: 'struct acpi_table_attr' has no member named 'instance'
356 | table_attr->instance = attr->instance;
| ^~
drivers/acpi/sysfs.c:356:60: error: 'struct acpi_table_attr' has no member named 'instance'
356 | table_attr->instance = attr->instance;
| ^~
drivers/acpi/sysfs.c:358:19: error: 'struct acpi_table_attr' has no member named 'instance'
358 | table_attr->instance++;
| ^~
drivers/acpi/sysfs.c:359:23: error: 'struct acpi_table_attr' has no member named 'instance'
359 | if (table_attr->instance > ACPI_MAX_TABLE_INSTANCES) {
| ^~
In file included from include/asm-generic/bug.h:22,
from arch/loongarch/include/asm/bug.h:61,
from include/linux/bug.h:5,
from include/linux/thread_info.h:13,
from include/asm-generic/preempt.h:5,
from ./arch/loongarch/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:79,
from include/linux/spinlock.h:56,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:7,
from include/linux/slab.h:16,
from include/linux/resource_ext.h:11:
drivers/acpi/sysfs.c:360:72: error: 'struct acpi_table_attr' has no member named 'name'
360 | pr_warn("%4.4s: too many table instances\n", table_attr->name);
| ^~
include/linux/printk.h:479:33: note: in definition of macro 'printk_index_wrap'
479 | _p_func(_fmt, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/printk.h:560:9: note: in expansion of macro 'printk'
560 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~
drivers/acpi/sysfs.c:360:17: note: in expansion of macro 'pr_warn'
360 | pr_warn("%4.4s: too many table instances\n", table_attr->name);
| ^~~~~~~
>> drivers/acpi/sysfs.c:364:37: error: 'struct acpi_table_attr' has no member named 'filename'
364 | ACPI_COPY_NAMESEG(table_attr->filename, table_header->signature);
| ^~
include/acpi/actypes.h:501:66: note: in definition of macro 'ACPI_CAST_PTR'
501 | #define ACPI_CAST_PTR(t, p) ((t *) (acpi_uintptr_t) (p))
| ^
drivers/acpi/sysfs.c:364:9: note: in expansion of macro 'ACPI_COPY_NAMESEG'
364 | ACPI_COPY_NAMESEG(table_attr->filename, table_header->signature);
| ^~~~~~~~~~~~~~~~~
drivers/acpi/sysfs.c:365:19: error: 'struct acpi_table_attr' has no member named 'filename'
365 | table_attr->filename[ACPI_NAMESEG_SIZE] = '\0';
| ^~
drivers/acpi/sysfs.c:366:23: error: 'struct acpi_table_attr' has no member named 'instance'
366 | if (table_attr->instance > 1 || (table_attr->instance == 1 &&
| ^~
drivers/acpi/sysfs.c:366:52: error: 'struct acpi_table_attr' has no member named 'instance'
366 | if (table_attr->instance > 1 || (table_attr->instance == 1 &&
| ^~
drivers/acpi/sysfs.c:370:36: error: 'struct acpi_table_attr' has no member named 'instance'
370 | table_attr->instance);
| ^~
drivers/acpi/sysfs.c:371:34: error: 'struct acpi_table_attr' has no member named 'filename'
371 | strcat(table_attr->filename, instance_str);
| ^~
drivers/acpi/sysfs.c:376:48: error: 'struct acpi_table_attr' has no member named 'filename'
376 | table_attr->attr.attr.name = table_attr->filename;
| ^~
drivers/acpi/sysfs.c: In function 'acpi_sysfs_table_handler':
>> drivers/acpi/sysfs.c:397:42: error: 'struct acpi_table_attr' has no member named 'node'
397 | list_add_tail(&table_attr->node, &acpi_table_attr_list);
| ^~
drivers/acpi/sysfs.c: In function 'acpi_tables_sysfs_init':
drivers/acpi/sysfs.c:545:42: error: 'struct acpi_table_attr' has no member named 'node'
545 | list_add_tail(&table_attr->node, &acpi_table_attr_list);
| ^~
vim +310 drivers/acpi/sysfs.c
307
308 struct acpi_table_attr {
309 struct bin_attribute attr;
> 310 char name[ACPI_NAMESEG_SIZE] ACPI_NONSTRING;
311 int instance;
312 char filename[ACPI_NAMESEG_SIZE+ACPI_INST_SIZE] ACPI_NONSTRING;
313 struct list_head node;
314 };
315
316 struct acpi_data_attr {
317 struct bin_attribute attr;
318 u64 addr;
319 };
320
321 static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj,
322 const struct bin_attribute *bin_attr, char *buf,
323 loff_t offset, size_t count)
324 {
325 struct acpi_table_attr *table_attr =
326 container_of(bin_attr, struct acpi_table_attr, attr);
327 struct acpi_table_header *table_header = NULL;
328 acpi_status status;
329 ssize_t rc;
330
> 331 status = acpi_get_table(table_attr->name, table_attr->instance,
332 &table_header);
333 if (ACPI_FAILURE(status))
334 return -ENODEV;
335
336 rc = memory_read_from_buffer(buf, count, &offset, table_header,
337 table_header->length);
338 acpi_put_table(table_header);
339 return rc;
340 }
341
342 static int acpi_table_attr_init(struct kobject *tables_obj,
343 struct acpi_table_attr *table_attr,
344 struct acpi_table_header *table_header)
345 {
346 struct acpi_table_header *header = NULL;
347 struct acpi_table_attr *attr = NULL;
348 char instance_str[ACPI_INST_SIZE];
349
350 sysfs_attr_init(&table_attr->attr.attr);
351 ACPI_COPY_NAMESEG(table_attr->name, table_header->signature);
352
353 list_for_each_entry(attr, &acpi_table_attr_list, node) {
354 if (ACPI_COMPARE_NAMESEG(table_attr->name, attr->name))
355 if (table_attr->instance < attr->instance)
356 table_attr->instance = attr->instance;
357 }
358 table_attr->instance++;
359 if (table_attr->instance > ACPI_MAX_TABLE_INSTANCES) {
360 pr_warn("%4.4s: too many table instances\n", table_attr->name);
361 return -ERANGE;
362 }
363
> 364 ACPI_COPY_NAMESEG(table_attr->filename, table_header->signature);
365 table_attr->filename[ACPI_NAMESEG_SIZE] = '\0';
366 if (table_attr->instance > 1 || (table_attr->instance == 1 &&
367 !acpi_get_table
368 (table_header->signature, 2, &header))) {
369 snprintf(instance_str, sizeof(instance_str), "%u",
370 table_attr->instance);
371 strcat(table_attr->filename, instance_str);
372 }
373
374 table_attr->attr.size = table_header->length;
375 table_attr->attr.read_new = acpi_table_show;
376 table_attr->attr.attr.name = table_attr->filename;
377 table_attr->attr.attr.mode = 0400;
378
379 return sysfs_create_bin_file(tables_obj, &table_attr->attr);
380 }
381
382 acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context)
383 {
384 struct acpi_table_attr *table_attr;
385
386 switch (event) {
387 case ACPI_TABLE_EVENT_INSTALL:
388 table_attr = kzalloc(sizeof(*table_attr), GFP_KERNEL);
389 if (!table_attr)
390 return AE_NO_MEMORY;
391
392 if (acpi_table_attr_init(dynamic_tables_kobj,
393 table_attr, table)) {
394 kfree(table_attr);
395 return AE_ERROR;
396 }
> 397 list_add_tail(&table_attr->node, &acpi_table_attr_list);
398 break;
399 case ACPI_TABLE_EVENT_LOAD:
400 case ACPI_TABLE_EVENT_UNLOAD:
401 case ACPI_TABLE_EVENT_UNINSTALL:
402 /*
403 * we do not need to do anything right now
404 * because the table is not deleted from the
405 * global table list when unloading it.
406 */
407 break;
408 default:
409 return AE_BAD_PARAMETER;
410 }
411 return AE_OK;
412 }
413
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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