* [akpm-mm:mm-new 378/389] drivers/mtd/mtdchar.c:1384:9: error: call to undeclared function 'vma_desc_test_flags'; ISO C99 and later do not support implicit function declarations
@ 2026-03-16 4:20 kernel test robot
2026-03-16 7:12 ` Lorenzo Stoakes (Oracle)
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2026-03-16 4:20 UTC (permalink / raw)
To: Lorenzo Stoakes (Oracle)
Cc: llvm, oe-kbuild-all, David Hildenbrand, Andrew Morton,
Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
head: c5a81ff6071bcf42531426e6336b5cc424df6e3d
commit: cf0dfae0323aa8b75cee0b94d5c7553b511d7bc3 [378/389] mtdchar: replace deprecated mmap hook with mmap_prepare, clean up
config: arm-randconfig-002-20260316 (https://download.01.org/0day-ci/archive/20260316/202603161221.qNrB6fVE-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 36041192cf6c9042615c8d2364cacc698ef89865)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260316/202603161221.qNrB6fVE-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/202603161221.qNrB6fVE-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/mtd/mtdchar.c:1384:9: error: call to undeclared function 'vma_desc_test_flags'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1384 | return vma_desc_test_flags(desc, VMA_SHARED_BIT) ? 0 : -EACCES;
| ^
1 error generated.
vim +/vma_desc_test_flags +1384 drivers/mtd/mtdchar.c
1375
1376 /*
1377 * set up a mapping for shared memory segments
1378 */
1379 static int mtdchar_mmap_prepare(struct vm_area_desc *desc)
1380 {
1381 #ifdef CONFIG_MMU
1382 return -ENODEV;
1383 #else
> 1384 return vma_desc_test_flags(desc, VMA_SHARED_BIT) ? 0 : -EACCES;
1385 #endif
1386 }
1387
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [akpm-mm:mm-new 378/389] drivers/mtd/mtdchar.c:1384:9: error: call to undeclared function 'vma_desc_test_flags'; ISO C99 and later do not support implicit function declarations
2026-03-16 4:20 [akpm-mm:mm-new 378/389] drivers/mtd/mtdchar.c:1384:9: error: call to undeclared function 'vma_desc_test_flags'; ISO C99 and later do not support implicit function declarations kernel test robot
@ 2026-03-16 7:12 ` Lorenzo Stoakes (Oracle)
0 siblings, 0 replies; 2+ messages in thread
From: Lorenzo Stoakes (Oracle) @ 2026-03-16 7:12 UTC (permalink / raw)
To: kernel test robot
Cc: llvm, oe-kbuild-all, David Hildenbrand, Andrew Morton,
Linux Memory Management List
On Mon, Mar 16, 2026 at 12:20:38PM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
> head: c5a81ff6071bcf42531426e6336b5cc424df6e3d
> commit: cf0dfae0323aa8b75cee0b94d5c7553b511d7bc3 [378/389] mtdchar: replace deprecated mmap hook with mmap_prepare, clean up
> config: arm-randconfig-002-20260316 (https://download.01.org/0day-ci/archive/20260316/202603161221.qNrB6fVE-lkp@intel.com/config)
> compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 36041192cf6c9042615c8d2364cacc698ef89865)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260316/202603161221.qNrB6fVE-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/202603161221.qNrB6fVE-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
> >> drivers/mtd/mtdchar.c:1384:9: error: call to undeclared function 'vma_desc_test_flags'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
> 1384 | return vma_desc_test_flags(desc, VMA_SHARED_BIT) ? 0 : -EACCES;
> | ^
Ack, this should be vma_desc_test_any(). Will fix!
> 1 error generated.
>
>
> vim +/vma_desc_test_flags +1384 drivers/mtd/mtdchar.c
>
> 1375
> 1376 /*
> 1377 * set up a mapping for shared memory segments
> 1378 */
> 1379 static int mtdchar_mmap_prepare(struct vm_area_desc *desc)
> 1380 {
> 1381 #ifdef CONFIG_MMU
> 1382 return -ENODEV;
> 1383 #else
> > 1384 return vma_desc_test_flags(desc, VMA_SHARED_BIT) ? 0 : -EACCES;
> 1385 #endif
> 1386 }
> 1387
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
Cheers, Lorenzo
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-03-16 4:20 [akpm-mm:mm-new 378/389] drivers/mtd/mtdchar.c:1384:9: error: call to undeclared function 'vma_desc_test_flags'; ISO C99 and later do not support implicit function declarations kernel test robot
2026-03-16 7:12 ` Lorenzo Stoakes (Oracle)
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