[ebiggers:inline-encryption-wip 3/17] include/linux/blk-crypto.h:44:15: warning: 'enum blk_crypto_mode_num' declared inside parameter list

[ebiggers:inline-encryption-wip 3/17] include/linux/blk-crypto.h:44:15: warning: 'enum blk_crypto_mode_num' declared inside parameter list

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git inline-encryption-wip
head:   4e2ed92b65a08d009d8e5e1593f3a310a2567500
commit: a8c73a62c6bf17bdeaa44471731786f604dc5b96 [3/17] block: blk-crypto for Inline Encryption
config: x86_64-randconfig-a003-201942 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2
reproduce:
        git checkout a8c73a62c6bf17bdeaa44471731786f604dc5b96
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

   In file included from <command-line>:0:0:
>> include/linux/blk-crypto.h:44:15: warning: 'enum blk_crypto_mode_num' declared inside parameter list
           struct request_queue *q)
                  ^
>> include/linux/blk-crypto.h:44:15: warning: its scope is only this definition or declaration, which is probably not what you want
   include/linux/blk-crypto.h:42:54: error: parameter 1 ('mode_num') has incomplete type
    blk_crypto_start_using_mode(enum blk_crypto_mode_num mode_num,
                                                         ^
   include/linux/blk-crypto.h:42:1: error: function declaration isn't a prototype [-Werror=strict-prototypes]
    blk_crypto_start_using_mode(enum blk_crypto_mode_num mode_num,
    ^
   cc1: some warnings being treated as errors

vim +44 include/linux/blk-crypto.h

    40	
    41	static inline int
    42	blk_crypto_start_using_mode(enum blk_crypto_mode_num mode_num,
    43				    unsigned int data_unit_size,
  > 44				    struct request_queue *q)
    45	{
    46		return -EOPNOTSUPP;
    47	}
    48	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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