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NFSD: Take care the return value from nfsd4_decode_stateid 

Return status after nfsd4_decode_stateid failed.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Kinglong Mee 2015-03-19 19:04:41 +08:00 committed by J. Bruce Fields
parent 6f8f28ec5f
commit db59c0ef08
1 changed files with 15 additions and 3 deletions
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18
fs/nfsd/nfs4xdr.c
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@ -1562,7 +1562,11 @@ nfsd4_decode_layoutget(struct nfsd4_compoundargs *argp,
p = xdr_decode_hyper(p, &lgp->lg_seg.offset);
p = xdr_decode_hyper(p, &lgp->lg_seg.length);
p = xdr_decode_hyper(p, &lgp->lg_minlength);
nfsd4_decode_stateid(argp, &lgp->lg_sid);
status = nfsd4_decode_stateid(argp, &lgp->lg_sid);
if (status)
return status;
READ_BUF(4);
lgp->lg_maxcount = be32_to_cpup(p++);
@ -1580,7 +1584,11 @@ nfsd4_decode_layoutcommit(struct nfsd4_compoundargs *argp,
p = xdr_decode_hyper(p, &lcp->lc_seg.offset);
p = xdr_decode_hyper(p, &lcp->lc_seg.length);
lcp->lc_reclaim = be32_to_cpup(p++);
nfsd4_decode_stateid(argp, &lcp->lc_sid);
status = nfsd4_decode_stateid(argp, &lcp->lc_sid);
if (status)
return status;
READ_BUF(4);
lcp->lc_newoffset = be32_to_cpup(p++);
if (lcp->lc_newoffset) {
@ -1628,7 +1636,11 @@ nfsd4_decode_layoutreturn(struct nfsd4_compoundargs *argp,
READ_BUF(16);
p = xdr_decode_hyper(p, &lrp->lr_seg.offset);
p = xdr_decode_hyper(p, &lrp->lr_seg.length);
nfsd4_decode_stateid(argp, &lrp->lr_sid);
status = nfsd4_decode_stateid(argp, &lrp->lr_sid);
if (status)
return status;
READ_BUF(4);
lrp->lrf_body_len = be32_to_cpup(p++);
if (lrp->lrf_body_len > 0) {