[dm-devel] [dm:for-next 6/8] drivers/md/dm-writecache.c:862:24: error: implicit declaration of function 'array_size'; did you mean '__ua_size'?
Mike Snitzer
snitzer at redhat.com
Fri Jun 22 18:57:48 UTC 2018
sorry for the noise, I forgot to rebase to v4.18-rc1 before picking this
change up. since fixed and pushed out.
On Fri, Jun 22 2018 at 2:40pm -0400,
kbuild test robot <lkp at intel.com> wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
> head: 696ee10fad76d6ec15f256e6dc2c08aa2c706890
> commit: 5174624414ac49495a08eca4ee584dac193c0eb7 [6/8] dm writecache: use 2-factor allocator arguments
> config: mips-allyesconfig (attached as .config)
> compiler: mips-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout 5174624414ac49495a08eca4ee584dac193c0eb7
> # save the attached .config to linux build tree
> GCC_VERSION=7.2.0 make.cross ARCH=mips
>
> All errors (new ones prefixed by >>):
>
> drivers/md/dm-writecache.c: In function 'writecache_alloc_entries':
> >> drivers/md/dm-writecache.c:862:24: error: implicit declaration of function 'array_size'; did you mean '__ua_size'? [-Werror=implicit-function-declaration]
> wc->entries = vmalloc(array_size(sizeof(struct wc_entry), wc->n_blocks));
> ^~~~~~~~~~
> __ua_size
> cc1: some warnings being treated as errors
>
> vim +862 drivers/md/dm-writecache.c
>
> 855
> 856 static int writecache_alloc_entries(struct dm_writecache *wc)
> 857 {
> 858 size_t b;
> 859
> 860 if (wc->entries)
> 861 return 0;
> > 862 wc->entries = vmalloc(array_size(sizeof(struct wc_entry), wc->n_blocks));
> 863 if (!wc->entries)
> 864 return -ENOMEM;
> 865 for (b = 0; b < wc->n_blocks; b++) {
> 866 struct wc_entry *e = &wc->entries[b];
> 867 e->index = b;
> 868 e->write_in_progress = false;
> 869 }
> 870
> 871 return 0;
> 872 }
> 873
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
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