[linux-next:master 3071/14582] fs/nfsd/nfs4proc.c:1373:16: sparse: sparse: incorrect type in assignment (different base types)

[linux-next:master 3071/14582] fs/nfsd/nfs4proc.c:1373:16: sparse: sparse: incorrect type in assignment (different base types)

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 3108 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   1ab75b2e415a29dba9aec94f203c6f88dbfc0ba0
commit: dbd4c2dd8f13ae40112081df5d9e19ff040f773d [3071/14582] NFSD add COPY_NOTIFY operation
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-82-g68ac1bb-dirty
        git checkout dbd4c2dd8f13ae40112081df5d9e19ff040f773d
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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


sparse warnings: (new ones prefixed by >>)

>> fs/nfsd/nfsd.h:410:24: sparse: sparse: incorrect type in return expression (different base types) @@    expected unsigned int @@    got restricted __be32unsigned int @@
>> fs/nfsd/nfsd.h:410:24: sparse:    expected unsigned int
>> fs/nfsd/nfsd.h:410:24: sparse:    got restricted __be32 [usertype]
>> fs/nfsd/nfs4proc.c:1373:16: sparse: sparse: incorrect type in assignment (different base types) @@    expected restricted __be32 [assigned] [usertype] status @@    got  [usertype] status @@
>> fs/nfsd/nfs4proc.c:1373:16: sparse:    expected restricted __be32 [assigned] [usertype] status
>> fs/nfsd/nfs4proc.c:1373:16: sparse:    got unsigned int

vim +1373 fs/nfsd/nfs4proc.c

  1340	
  1341	static __be32
  1342	nfsd4_copy_notify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
  1343			  union nfsd4_op_u *u)
  1344	{
  1345		struct nfsd4_copy_notify *cn = &u->copy_notify;
  1346		__be32 status;
  1347		struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
  1348		struct nfs4_stid *stid;
  1349		struct nfs4_cpntf_state *cps;
  1350		struct nfs4_client *clp = cstate->clp;
  1351	
  1352		status = nfs4_preprocess_stateid_op(rqstp, cstate, &cstate->current_fh,
  1353						&cn->cpn_src_stateid, RD_STATE, NULL,
  1354						&stid);
  1355		if (status)
  1356			return status;
  1357	
  1358		cn->cpn_sec = nn->nfsd4_lease;
  1359		cn->cpn_nsec = 0;
  1360	
  1361		status = nfserrno(-ENOMEM);
  1362		cps = nfs4_alloc_init_cpntf_state(nn, stid);
  1363		if (!cps)
  1364			goto out;
  1365		memcpy(&cn->cpn_cnr_stateid, &cps->cp_stateid.stid, sizeof(stateid_t));
  1366		memcpy(&cps->cp_p_stateid, &stid->sc_stateid, sizeof(stateid_t));
  1367		memcpy(&cps->cp_p_clid, &clp->cl_clientid, sizeof(clientid_t));
  1368	
  1369		/* For now, only return one server address in cpn_src, the
  1370		 * address used by the client to connect to this server.
  1371		 */
  1372		cn->cpn_src.nl4_type = NL4_NETADDR;
> 1373		status = nfsd4_set_netaddr((struct sockaddr *)&rqstp->rq_daddr,
  1374					 &cn->cpn_src.u.nl4_addr);
  1375		WARN_ON_ONCE(status);
  1376		if (status) {
  1377			nfs4_put_cpntf_state(nn, cps);
  1378			goto out;
  1379		}
  1380	out:
  1381		nfs4_put_stid(stid);
  1382		return status;
  1383	}
  1384	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation