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nfsd: minor consolidation of mach_cred handling code 

Minor cleanup, no change in functionality.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2015-11-23 15:39:12 -07:00
parent 5004385932
commit 50c7b948ad
1 changed files with 10 additions and 7 deletions
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17
fs/nfsd/nfs4state.c
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@ -2375,10 +2375,17 @@ nfsd4_exchange_id(struct svc_rqst *rqstp,
if (exid->flags & ~EXCHGID4_FLAG_MASK_A)
return nfserr_inval;
new = create_client(exid->clname, rqstp, &verf);
if (new == NULL)
return nfserr_jukebox;
switch (exid->spa_how) {
case SP4_MACH_CRED:
if (!svc_rqst_integrity_protected(rqstp))
return nfserr_inval;
if (!svc_rqst_integrity_protected(rqstp)) {
status = nfserr_inval;
goto out_nolock;
}
new->cl_mach_cred = true;
case SP4_NONE:
break;
default: /* checked by xdr code */
@ -2387,10 +2394,6 @@ nfsd4_exchange_id(struct svc_rqst *rqstp,
return nfserr_encr_alg_unsupp;
}
new = create_client(exid->clname, rqstp, &verf);
if (new == NULL)
return nfserr_jukebox;
/* Cases below refer to rfc 5661 section 18.35.4: */
spin_lock(&nn->client_lock);
conf = find_confirmed_client_by_name(&exid->clname, nn);
@ -2452,7 +2455,6 @@ nfsd4_exchange_id(struct svc_rqst *rqstp,
goto out;
}
new->cl_minorversion = cstate->minorversion;
new->cl_mach_cred = (exid->spa_how == SP4_MACH_CRED);
gen_clid(new, nn);
add_to_unconfirmed(new);
@ -2470,6 +2472,7 @@ nfsd4_exchange_id(struct svc_rqst *rqstp,
out:
spin_unlock(&nn->client_lock);
out_nolock:
if (new)
expire_client(new);
if (unconf)