From: "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
To: kernel test robot <lkp@intel.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
David Hildenbrand <david@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: 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
Date: Mon, 16 Mar 2026 07:12:51 +0000 [thread overview]
Message-ID: <57eb2d3a-b9e5-49fd-ac71-4d48e444b7b5@lucifer.local> (raw)
In-Reply-To: <202603161221.qNrB6fVE-lkp@intel.com>
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
prev parent reply other threads:[~2026-03-16 7:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-16 4:20 kernel test robot
2026-03-16 7:12 ` Lorenzo Stoakes (Oracle) [this message]
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