[PATCH] erofs: support external crypto for decompression

[kernel test robot]

Hi Tao,

kernel test robot noticed the following build errors:

[auto build test ERROR on ee78a17615ad0cfdbbc27182b1047cd36c9d4d5f]

url:    https://github.com/intel-lab-lkp/linux/commits/Tao-Zeng-via-B4-Relay/erofs-support-external-crypto-for-decompression/20240606-155702
base:   ee78a17615ad0cfdbbc27182b1047cd36c9d4d5f
patch link:    https://lore.kernel.org/r/20240606-erofs-decompression-v1-1-ec5f31396e04%40amlogic.com
patch subject: [PATCH] erofs: support external crypto for decompression
config: m68k-defconfig (https://download.01.org/0day-ci/archive/20240607/202406070429.UJRJ6zGg-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240607/202406070429.UJRJ6zGg-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406070429.UJRJ6zGg-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   In file included from fs/erofs/decompressor.c:6:
>> fs/erofs/compress.h:120:1: error: expected identifier or '(' before '{' token
     120 | {
         | ^
>> fs/erofs/compress.h:116:19: warning: 'z_erofs_load_crypto_config' declared 'static' but never defined [-Wunused-function]
     116 | static inline int z_erofs_load_crypto_config(struct super_block *sb,
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +120 fs/erofs/compress.h

   115	
 > 116	static inline int z_erofs_load_crypto_config(struct super_block *sb,
   117						     struct erofs_super_block *dsb,
   118						     void *data,
   119						     int size);
 > 120	{
   121		if (crypto) {
   122			erofs_err(sb, "crypto algorithm isn't enabled");
   123			return -EINVAL;
   124		}
   125		return 0;
   126	}
   127	#endif
   128	

-- 
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