Re: [PATCH rdma-next v3 4/4] RDMA/uverbs: Expose the new GID query API to user space

[kernel test robot <lkp@intel.com>]

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Hi Leon,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on rdma/for-next]
[also build test ERROR on v5.9-rc6 next-20200924]
[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/Leon-Romanovsky/Query-GID-table-API/20200924-005056
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
config: x86_64-rhel (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from drivers/infiniband/core/uverbs_std_types_device.c:6:
   include/linux/overflow.h: In function 'array_size':
>> include/linux/overflow.h:258:10: error: 'SIZE_MAX' undeclared (first use in this function)
     258 |   return SIZE_MAX;
         |          ^~~~~~~~
   include/linux/overflow.h:6:1: note: 'SIZE_MAX' is defined in header '<stdint.h>'; did you forget to '#include <stdint.h>'?
       5 | #include <linux/compiler.h>
     +++ |+#include <stdint.h>
       6 | 
   include/linux/overflow.h:258:10: note: each undeclared identifier is reported only once for each function it appears in
     258 |   return SIZE_MAX;
         |          ^~~~~~~~
   include/linux/overflow.h: In function 'array3_size':
   include/linux/overflow.h:280:10: error: 'SIZE_MAX' undeclared (first use in this function)
     280 |   return SIZE_MAX;
         |          ^~~~~~~~
   include/linux/overflow.h:280:10: note: 'SIZE_MAX' is defined in header '<stdint.h>'; did you forget to '#include <stdint.h>'?
   include/linux/overflow.h: In function '__ab_c_size':
   include/linux/overflow.h:296:10: error: 'SIZE_MAX' undeclared (first use in this function)
     296 |   return SIZE_MAX;
         |          ^~~~~~~~
   include/linux/overflow.h:296:10: note: 'SIZE_MAX' is defined in header '<stdint.h>'; did you forget to '#include <stdint.h>'?

# https://github.com/0day-ci/linux/commit/061c6cfb4cc62f86ad694a30a3f404723e099c7d
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Leon-Romanovsky/Query-GID-table-API/20200924-005056
git checkout 061c6cfb4cc62f86ad694a30a3f404723e099c7d
vim +/SIZE_MAX +258 include/linux/overflow.h

0c66847793d198 Jason Gunthorpe 2018-08-01  241  
610b15c50e86eb Kees Cook       2018-05-07  242  /**
610b15c50e86eb Kees Cook       2018-05-07  243   * array_size() - Calculate size of 2-dimensional array.
610b15c50e86eb Kees Cook       2018-05-07  244   *
610b15c50e86eb Kees Cook       2018-05-07  245   * @a: dimension one
610b15c50e86eb Kees Cook       2018-05-07  246   * @b: dimension two
610b15c50e86eb Kees Cook       2018-05-07  247   *
610b15c50e86eb Kees Cook       2018-05-07  248   * Calculates size of 2-dimensional array: @a * @b.
610b15c50e86eb Kees Cook       2018-05-07  249   *
610b15c50e86eb Kees Cook       2018-05-07  250   * Returns: number of bytes needed to represent the array or SIZE_MAX on
610b15c50e86eb Kees Cook       2018-05-07  251   * overflow.
610b15c50e86eb Kees Cook       2018-05-07  252   */
610b15c50e86eb Kees Cook       2018-05-07  253  static inline __must_check size_t array_size(size_t a, size_t b)
610b15c50e86eb Kees Cook       2018-05-07  254  {
610b15c50e86eb Kees Cook       2018-05-07  255  	size_t bytes;
610b15c50e86eb Kees Cook       2018-05-07  256  
610b15c50e86eb Kees Cook       2018-05-07  257  	if (check_mul_overflow(a, b, &bytes))
610b15c50e86eb Kees Cook       2018-05-07 @258  		return SIZE_MAX;
610b15c50e86eb Kees Cook       2018-05-07  259  
610b15c50e86eb Kees Cook       2018-05-07  260  	return bytes;
610b15c50e86eb Kees Cook       2018-05-07  261  }
610b15c50e86eb Kees Cook       2018-05-07  262  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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