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nfsd4: don't check ip address in setclientid

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The spec allows clients to change ip address, so we shouldn't be
requiring that setclientid always come from the same address.  For
example, a client could reboot and get a new dhcpd address, but still
present the same clientid to the server.  In that case the server should
revoke the client's previous state and allow it to continue, instead of
(as it currently does) returning a CLID_INUSE error.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields 2009-03-18 15:06:26 -04:00
parent 03cf6c9f49
commit 026722c25e
1 changed files with 3 additions and 4 deletions
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7
fs/nfsd/nfs4state.c
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@ -791,10 +791,9 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
if (conf) {
/* RFC 3530 14.2.33 CASE 0: */
status = nfserr_clid_inuse;
if (!same_creds(&conf->cl_cred, &rqstp->rq_cred)
|| conf->cl_addr != sin->sin_addr.s_addr) {
dprintk("NFSD: setclientid: string in use by clientat %pI4\n",
&conf->cl_addr);
if (!same_creds(&conf->cl_cred, &rqstp->rq_cred)) {
dprintk("NFSD: setclientid: string in use by client"
" at %pI4\n", &conf->cl_addr);
goto out;
}
}