Re: [PATCH] binder: print warnings when detecting oneway spamming.

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On Thu, Aug 20, 2020 at 12:41 PM kernel test robot <lkp@xxxxxxxxx> wrote:
>
> Hi Martijn,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on staging/staging-testing]
> [also build test ERROR on v5.9-rc1 next-20200820]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
>
> url:    https://github.com/0day-ci/linux/commits/Martijn-Coenen/binder-print-warnings-when-detecting-oneway-spamming/20200820-155358
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git bc752d2f345bf55d71b3422a6a24890ea03168dc
> config: s390-randconfig-r002-20200818 (attached as .config)
> compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 4deda57106f7c9b982a49cb907c33e3966c8de7f)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # install s390 cross compiling tool for clang build
>         # apt-get install binutils-s390x-linux-gnu
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
>
> All errors (new ones prefixed by >>):
>
> >> drivers/android/binder_alloc_selftest.c:122:61: error: too few arguments to function call, expected 6, have 5
>                    buffers[i] = binder_alloc_new_buf(alloc, sizes[i], 0, 0, 0);

missed this call-site, will send v2.

Martijn
>                                 ~~~~~~~~~~~~~~~~~~~~                         ^
>    drivers/android/binder_alloc.h:118:30: note: 'binder_alloc_new_buf' declared here
>    extern struct binder_buffer *binder_alloc_new_buf(struct binder_alloc *alloc,
>                                 ^
>    1 error generated.
>
> # https://github.com/0day-ci/linux/commit/9d0b269f4468d6793f6fd76a410fdde39dbf6ac2
> git remote add linux-review https://github.com/0day-ci/linux
> git fetch --no-tags linux-review Martijn-Coenen/binder-print-warnings-when-detecting-oneway-spamming/20200820-155358
> git checkout 9d0b269f4468d6793f6fd76a410fdde39dbf6ac2
> vim +122 drivers/android/binder_alloc_selftest.c
>
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  114
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  115  static void binder_selftest_alloc_buf(struct binder_alloc *alloc,
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  116                                    struct binder_buffer *buffers[],
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  117                                    size_t *sizes, int *seq)
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  118  {
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  119      int i;
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  120
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  121      for (i = 0; i < BUFFER_NUM; i++) {
> 4175e2b46fd4b9 Sherry Yang 2017-08-23 @122              buffers[i] = binder_alloc_new_buf(alloc, sizes[i], 0, 0, 0);
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  123              if (IS_ERR(buffers[i]) ||
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  124                  !check_buffer_pages_allocated(alloc, buffers[i],
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  125                                                sizes[i])) {
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  126                      pr_err_size_seq(sizes, seq);
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  127                      binder_selftest_failures++;
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  128              }
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  129      }
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  130  }
> 4175e2b46fd4b9 Sherry Yang 2017-08-23  131
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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