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nfsd: nfs4_preprocess_seqid_op should only set *stpp on success 

Not technically a bugfix, since nothing tries to use the return pointer
if this function doesn't return success, but it could be a problem
with some coming changes.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Trond Myklebust 2014-06-30 11:48:34 -04:00 committed by J. Bruce Fields
parent 5b8db00bae
commit e17f99b728
1 changed files with 7 additions and 3 deletions
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10
fs/nfsd/nfs4state.c
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@ -3953,6 +3953,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
{
__be32 status;
struct nfs4_stid *s;
struct nfs4_ol_stateid *stp = NULL;
dprintk("NFSD: %s: seqid=%d stateid = " STATEID_FMT "\n", __func__,
seqid, STATEID_VAL(stateid));
@ -3962,11 +3963,14 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
cstate->minorversion, nn);
if (status)
return status;
*stpp = openlockstateid(s);
stp = openlockstateid(s);
if (!nfsd4_has_session(cstate))
cstate->replay_owner = (*stpp)->st_stateowner;
cstate->replay_owner = stp->st_stateowner;
return nfs4_seqid_op_checks(cstate, stateid, seqid, *stpp);
status = nfs4_seqid_op_checks(cstate, stateid, seqid, stp);
if (!status)
*stpp = stp;
return status;
}
static __be32 nfs4_preprocess_confirmed_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,