[dhowells-fs:rxrpc-rxgk 23/29] net/rxrpc/rxgk.c:800:3: error: non-void function 'rxgk_decode_ticket' should return a value

[dhowells-fs:rxrpc-rxgk 23/29] net/rxrpc/rxgk.c:800:3: error: non-void function 'rxgk_decode_ticket' should return a value

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git rxrpc-rxgk
head:   e673139d64f91ec1ce8f6f3aa9eb9f6548e133bf
commit: 317c45bb209b9aeba43ffea2a125c2b3795f4c1f [23/29] rxrpc: rxgk: Implement the yfs-rxgk security class (GSSAPI)
config: mips-randconfig-r021-20200925 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a83eb048cb9a75da7a07a9d5318bbdbf54885c87)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=317c45bb209b9aeba43ffea2a125c2b3795f4c1f
        git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
        git fetch --no-tags dhowells-fs rxrpc-rxgk
        git checkout 317c45bb209b9aeba43ffea2a125c2b3795f4c1f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips 

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 >>):

>> net/rxrpc/rxgk.c:800:3: error: non-void function 'rxgk_decode_ticket' should return a value [-Wreturn-type]
                   return;
                   ^
   net/rxrpc/rxgk.c:802:2: warning: TODO [-W#warnings]
   #warning TODO
    ^
   net/rxrpc/rxgk.c:791:16: warning: unused variable 'p' [-Wunused-variable]
           __be32 *xdr, *p;
                         ^
   net/rxrpc/rxgk.c:790:14: warning: unused variable 'key' [-Wunused-variable]
           struct key *key;
                       ^
   net/rxrpc/rxgk.c:914:2: warning: TODO [-W#warnings]
   #warning TODO
    ^
   4 warnings and 1 error generated.
--
>> net/rxrpc/rxgk.c:800:3: error: non-void function 'rxgk_decode_ticket' should return a value [-Wreturn-type]
                   return;
                   ^
   net/rxrpc/rxgk.c:802:2: warning: TODO [-W#warnings]
   #warning TODO
    ^
   net/rxrpc/rxgk.c:790:14: warning: unused variable 'key' [-Wunused-variable]
           struct key *key;
                       ^
   net/rxrpc/rxgk.c:791:16: warning: unused variable 'p' [-Wunused-variable]
           __be32 *xdr, *p;
                         ^
   net/rxrpc/rxgk.c:914:2: warning: TODO [-W#warnings]
   #warning TODO
    ^
   4 warnings and 1 error generated.

vim +/rxgk_decode_ticket +800 net/rxrpc/rxgk.c

   766	
   767	/*
   768	 * Decode the ticket in a response.
   769	 *
   770	 * struct RXGK_AuthName {
   771	 *	afs_int32	kind;
   772	 *	opaque		data<AUTHDATAMAX>;
   773	 *	opaque		display<AUTHPRINTABLEMAX>;
   774	 * };
   775	 *
   776	 * struct RXGK_Token {
   777	 *	rxgk_key		K0;
   778	 *	RXGK_Level		level;
   779	 *	rxgkTime		starttime;
   780	 *	afs_int32		lifetime;
   781	 *	afs_int32		bytelife;
   782	 *	rxgkTime		expirationtime;
   783	 *	struct RXGK_AuthName	identities<>;
   784	 * };
   785	 */
   786	static int rxgk_decode_ticket(struct sk_buff *skb,
   787				      unsigned int ticket_offset, unsigned int ticket_len,
   788				      u32 *_abort_code)
   789	{
   790		struct key *key;
   791		__be32 *xdr, *p;
   792		int ret;
   793	
   794		xdr = kmalloc(ticket_len, GFP_NOFS);
   795		if (!xdr)
   796			return -ENOMEM;
   797	
   798		ret = skb_copy_bits(skb, ticket_offset, xdr, ticket_len);
   799		if (ret < 0)
 > 800			return;
   801	

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

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