From 0e5977af4fdc277984fca7d8c2e0c880935775a0 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Thu, 3 Jun 2021 16:52:28 -0400 Subject: lockd: Update the NLMv4 LOCK arguments decoder to use struct xdr_stream Signed-off-by: Chuck Lever Signed-off-by: J. Bruce Fields --- fs/lockd/xdr4.c | 41 +++++++++++++++++++++++------------------ 1 file changed, 23 insertions(+), 18 deletions(-) (limited to 'fs') diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c index cf64794fdc1f..1d3e780c25fd 100644 --- a/fs/lockd/xdr4.c +++ b/fs/lockd/xdr4.c @@ -264,35 +264,40 @@ nlm4svc_decode_testargs(struct svc_rqst *rqstp, __be32 *p) return 1; } -int -nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p) -{ - struct nlm_res *resp = rqstp->rq_resp; - - if (!(p = nlm4_encode_testres(p, resp))) - return 0; - return xdr_ressize_check(rqstp, p); -} - int nlm4svc_decode_lockargs(struct svc_rqst *rqstp, __be32 *p) { + struct xdr_stream *xdr = &rqstp->rq_arg_stream; struct nlm_args *argp = rqstp->rq_argp; - u32 exclusive; + u32 exclusive; - if (!(p = nlm4_decode_cookie(p, &argp->cookie))) + if (!svcxdr_decode_cookie(xdr, &argp->cookie)) return 0; - argp->block = ntohl(*p++); - exclusive = ntohl(*p++); - if (!(p = nlm4_decode_lock(p, &argp->lock))) + 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; - argp->reclaim = ntohl(*p++); - argp->state = ntohl(*p++); + if (xdr_stream_decode_bool(xdr, &argp->reclaim) < 0) + return 0; + if (xdr_stream_decode_u32(xdr, &argp->state) < 0) + return 0; argp->monitor = 1; /* monitor client by default */ - return xdr_argsize_check(rqstp, p); + return 1; +} + +int +nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p) +{ + struct nlm_res *resp = rqstp->rq_resp; + + if (!(p = nlm4_encode_testres(p, resp))) + return 0; + return xdr_ressize_check(rqstp, p); } int -- cgit v1.2.3-59-g8ed1b