fs/proc/base.c:1767:14-18: WARNING: casting value returned by memory allocation function to (char *) is useless.

[kernel test robot]

tree:   https://github.com/0day-ci/linux/commits/UPDATE-20220123-215907/Hao-Lee/proc-use-kmalloc-instead-of-__get_free_page-to-alloc-path-buffer/20220123-181005
head:   98106e76de95ae9aefa914ec056448a5571155dc
commit: 98106e76de95ae9aefa914ec056448a5571155dc proc: alloc PATH_MAX bytes for /proc/${pid}/fd/ symlinks
date:   35 hours ago
config: i386-randconfig-c001-20220124 (https://download.01.org/0day-ci/archive/20220125/202201250941.1xbLnDRA-lkp@xxxxxxxxx/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

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


cocci warnings: (new ones prefixed by >>)
>> fs/proc/base.c:1767:14-18: WARNING: casting value returned by memory allocation function to (char *) is useless.

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
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