5.10-stable review patch. If anyone has any objections, please let me know.
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From: Chuck Lever chuck.lever@oracle.com
[ Upstream commit 1e1f38dcf3c031715191e1fd26f70a0affca4dbd ]
Signed-off-by: Chuck Lever chuck.lever@oracle.com Signed-off-by: J. Bruce Fields bfields@redhat.com Signed-off-by: Chuck Lever chuck.lever@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/lockd/xdr4.c | 33 ++++++++++++++++++--------------- 1 file changed, 18 insertions(+), 15 deletions(-)
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c index 1d3e780c25fd5..37d45f1d71999 100644 --- a/fs/lockd/xdr4.c +++ b/fs/lockd/xdr4.c @@ -291,30 +291,33 @@ nlm4svc_decode_lockargs(struct svc_rqst *rqstp, __be32 *p) }
int -nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p) +nlm4svc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p) { - struct nlm_res *resp = rqstp->rq_resp; + struct xdr_stream *xdr = &rqstp->rq_arg_stream; + struct nlm_args *argp = rqstp->rq_argp; + u32 exclusive;
- if (!(p = nlm4_encode_testres(p, resp))) + if (!svcxdr_decode_cookie(xdr, &argp->cookie)) return 0; - return xdr_ressize_check(rqstp, p); + if (xdr_stream_decode_bool(xdr, &argp->block) < 0) + return 0; + if (xdr_stream_decode_bool(xdr, &exclusive) < 0) + return 0; + if (!svcxdr_decode_lock(xdr, &argp->lock)) + return 0; + if (exclusive) + argp->lock.fl.fl_type = F_WRLCK; + return 1; }
int -nlm4svc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p) +nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p) { - struct nlm_args *argp = rqstp->rq_argp; - u32 exclusive; + struct nlm_res *resp = rqstp->rq_resp;
- if (!(p = nlm4_decode_cookie(p, &argp->cookie))) - return 0; - argp->block = ntohl(*p++); - exclusive = ntohl(*p++); - if (!(p = nlm4_decode_lock(p, &argp->lock))) + if (!(p = nlm4_encode_testres(p, resp))) return 0; - if (exclusive) - argp->lock.fl.fl_type = F_WRLCK; - return xdr_argsize_check(rqstp, p); + return xdr_ressize_check(rqstp, p); }
int