[dhowells-fs:keys-acl 4/5] fs/crypto/keyring.c:145:32: sparse: sparse: not enough arguments for function keyring_search

[dhowells-fs:keys-acl 4/5] fs/crypto/keyring.c:145:32: sparse: sparse: not enough arguments for function keyring_search

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git keys-acl
head:   2a3c3edfc979691a7dc4733da827f508da90995a
commit: d1aa67ba9c4d53ddb95f6b5ec73968287df65fb4 [4/5] keys: Split the search perms between KEY_NEED_USE and KEY_NEED_SEARCH
config: arc-randconfig-s032-20200716 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.2-49-g707c5017-dirty
        git checkout d1aa67ba9c4d53ddb95f6b5ec73968287df65fb4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arc 

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


sparse warnings: (new ones prefixed by >>)

>> fs/crypto/keyring.c:145:32: sparse: sparse: not enough arguments for function keyring_search

vim +145 fs/crypto/keyring.c

23c688b54016ee Eric Biggers 2019-08-04  133  
23c688b54016ee Eric Biggers 2019-08-04  134  /* Search ->s_master_keys or ->mk_users */
22d94f493bfb40 Eric Biggers 2019-08-04  135  static struct key *search_fscrypt_keyring(struct key *keyring,
22d94f493bfb40 Eric Biggers 2019-08-04  136  					  struct key_type *type,
22d94f493bfb40 Eric Biggers 2019-08-04  137  					  const char *description)
22d94f493bfb40 Eric Biggers 2019-08-04  138  {
22d94f493bfb40 Eric Biggers 2019-08-04  139  	/*
22d94f493bfb40 Eric Biggers 2019-08-04  140  	 * We need to mark the keyring reference as "possessed" so that we
22d94f493bfb40 Eric Biggers 2019-08-04  141  	 * acquire permission to search it, via the KEY_POS_SEARCH permission.
22d94f493bfb40 Eric Biggers 2019-08-04  142  	 */
22d94f493bfb40 Eric Biggers 2019-08-04  143  	key_ref_t keyref = make_key_ref(keyring, true /* possessed */);
22d94f493bfb40 Eric Biggers 2019-08-04  144  
22d94f493bfb40 Eric Biggers 2019-08-04 @145  	keyref = keyring_search(keyref, type, description, false);
22d94f493bfb40 Eric Biggers 2019-08-04  146  	if (IS_ERR(keyref)) {
22d94f493bfb40 Eric Biggers 2019-08-04  147  		if (PTR_ERR(keyref) == -EAGAIN || /* not found */
22d94f493bfb40 Eric Biggers 2019-08-04  148  		    PTR_ERR(keyref) == -EKEYREVOKED) /* recently invalidated */
22d94f493bfb40 Eric Biggers 2019-08-04  149  			keyref = ERR_PTR(-ENOKEY);
22d94f493bfb40 Eric Biggers 2019-08-04  150  		return ERR_CAST(keyref);
22d94f493bfb40 Eric Biggers 2019-08-04  151  	}
22d94f493bfb40 Eric Biggers 2019-08-04  152  	return key_ref_to_ptr(keyref);
22d94f493bfb40 Eric Biggers 2019-08-04  153  }
22d94f493bfb40 Eric Biggers 2019-08-04  154  

:::::: The code at line 145 was first introduced by commit
:::::: 22d94f493bfb408fdd764f7b1d0363af2122fba5 fscrypt: add FS_IOC_ADD_ENCRYPTION_KEY ioctl

:::::: TO: Eric Biggers <ebiggers@google.com>
:::::: CC: Eric Biggers <ebiggers@google.com>

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

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