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Subjectlinux-next: build warning after merge of the akpm-current tree
Hi all,

After merging the akpm-current tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

In file included from lib/test_kasan_module.c:16:
lib/../mm/kasan/kasan.h:232:6: warning: conflicting types for built-in function '__asan_register_globals'; expected 'void(void *, long int)' [-Wbuiltin-declaration-mismatch]
232 | void __asan_register_globals(struct kasan_global *globals, size_t size);
| ^~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:233:6: warning: conflicting types for built-in function '__asan_unregister_globals'; expected 'void(void *, long int)' [-Wbuiltin-declaration-mismatch]
233 | void __asan_unregister_globals(struct kasan_global *globals, size_t size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:235:6: warning: conflicting types for built-in function '__asan_alloca_poison'; expected 'void(void *, long int)' [-Wbuiltin-declaration-mismatch]
235 | void __asan_alloca_poison(unsigned long addr, size_t size);
| ^~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:236:6: warning: conflicting types for built-in function '__asan_allocas_unpoison'; expected 'void(void *, long int)' [-Wbuiltin-declaration-mismatch]
236 | void __asan_allocas_unpoison(const void *stack_top, const void *stack_bottom);
| ^~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:238:6: warning: conflicting types for built-in function '__asan_load1'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
238 | void __asan_load1(unsigned long addr);
| ^~~~~~~~~~~~
lib/../mm/kasan/kasan.h:239:6: warning: conflicting types for built-in function '__asan_store1'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
239 | void __asan_store1(unsigned long addr);
| ^~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:240:6: warning: conflicting types for built-in function '__asan_load2'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
240 | void __asan_load2(unsigned long addr);
| ^~~~~~~~~~~~
lib/../mm/kasan/kasan.h:241:6: warning: conflicting types for built-in function '__asan_store2'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
241 | void __asan_store2(unsigned long addr);
| ^~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:242:6: warning: conflicting types for built-in function '__asan_load4'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
242 | void __asan_load4(unsigned long addr);
| ^~~~~~~~~~~~
lib/../mm/kasan/kasan.h:243:6: warning: conflicting types for built-in function '__asan_store4'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
243 | void __asan_store4(unsigned long addr);
| ^~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:244:6: warning: conflicting types for built-in function '__asan_load8'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
244 | void __asan_load8(unsigned long addr);
| ^~~~~~~~~~~~
lib/../mm/kasan/kasan.h:245:6: warning: conflicting types for built-in function '__asan_store8'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
245 | void __asan_store8(unsigned long addr);
| ^~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:246:6: warning: conflicting types for built-in function '__asan_load16'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
246 | void __asan_load16(unsigned long addr);
| ^~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:247:6: warning: conflicting types for built-in function '__asan_store16'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
247 | void __asan_store16(unsigned long addr);
| ^~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:248:6: warning: conflicting types for built-in function '__asan_loadN'; expected 'void(void *, long int)' [-Wbuiltin-declaration-mismatch]
248 | void __asan_loadN(unsigned long addr, size_t size);
| ^~~~~~~~~~~~
lib/../mm/kasan/kasan.h:249:6: warning: conflicting types for built-in function '__asan_storeN'; expected 'void(void *, long int)' [-Wbuiltin-declaration-mismatch]
249 | void __asan_storeN(unsigned long addr, size_t size);
| ^~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:251:6: warning: conflicting types for built-in function '__asan_load1_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
251 | void __asan_load1_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:252:6: warning: conflicting types for built-in function '__asan_store1_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
252 | void __asan_store1_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:253:6: warning: conflicting types for built-in function '__asan_load2_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
253 | void __asan_load2_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:254:6: warning: conflicting types for built-in function '__asan_store2_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
254 | void __asan_store2_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:255:6: warning: conflicting types for built-in function '__asan_load4_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
255 | void __asan_load4_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:256:6: warning: conflicting types for built-in function '__asan_store4_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
256 | void __asan_store4_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:257:6: warning: conflicting types for built-in function '__asan_load8_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
257 | void __asan_load8_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:258:6: warning: conflicting types for built-in function '__asan_store8_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
258 | void __asan_store8_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:259:6: warning: conflicting types for built-in function '__asan_load16_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
259 | void __asan_load16_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:260:6: warning: conflicting types for built-in function '__asan_store16_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
260 | void __asan_store16_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:261:6: warning: conflicting types for built-in function '__asan_loadN_noabort'; expected 'void(void *, long int)' [-Wbuiltin-declaration-mismatch]
261 | void __asan_loadN_noabort(unsigned long addr, size_t size);
| ^~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:262:6: warning: conflicting types for built-in function '__asan_storeN_noabort'; expected 'void(void *, long int)' [-Wbuiltin-declaration-mismatch]
262 | void __asan_storeN_noabort(unsigned long addr, size_t size);
| ^~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:264:6: warning: conflicting types for built-in function '__asan_report_load1_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
264 | void __asan_report_load1_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:265:6: warning: conflicting types for built-in function '__asan_report_store1_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
265 | void __asan_report_store1_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:266:6: warning: conflicting types for built-in function '__asan_report_load2_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
266 | void __asan_report_load2_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:267:6: warning: conflicting types for built-in function '__asan_report_store2_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
267 | void __asan_report_store2_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:268:6: warning: conflicting types for built-in function '__asan_report_load4_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
268 | void __asan_report_load4_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:269:6: warning: conflicting types for built-in function '__asan_report_store4_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
269 | void __asan_report_store4_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:270:6: warning: conflicting types for built-in function '__asan_report_load8_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
270 | void __asan_report_load8_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:271:6: warning: conflicting types for built-in function '__asan_report_store8_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
271 | void __asan_report_store8_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:272:6: warning: conflicting types for built-in function '__asan_report_load16_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
272 | void __asan_report_load16_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:273:6: warning: conflicting types for built-in function '__asan_report_store16_noabort'; expected 'void(void *)' [-Wbuiltin-declaration-mismatch]
273 | void __asan_report_store16_noabort(unsigned long addr);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:274:6: warning: conflicting types for built-in function '__asan_report_load_n_noabort'; expected 'void(void *, long int)' [-Wbuiltin-declaration-mismatch]
274 | void __asan_report_load_n_noabort(unsigned long addr, size_t size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/../mm/kasan/kasan.h:275:6: warning: conflicting types for built-in function '__asan_report_store_n_noabort'; expected 'void(void *, long int)' [-Wbuiltin-declaration-mismatch]
275 | void __asan_report_store_n_noabort(unsigned long addr, size_t size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c: In function 'common_nfc_set_geometry':
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c:514:3: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
514 | nanddev_get_ecc_requirements(&chip->base);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Introduced by commit

77e7d1c8c356 ("KASAN: Port KASAN Tests to KUnit")

--
Cheers,
Stephen Rothwell
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