[PATCH v1 25/29] lockd: Update the NLMv4 FREE_ALL arguments decoder to use struct xdr_stream
From: Chuck Lever <hidden>
Date: 2021-05-03 15:25:26
Subsystem:
filesystems (vfs and infrastructure), kernel nfsd, sunrpc, and lockd servers, nfs, sunrpc, and lockd clients, the rest · Maintainers:
Alexander Viro, Christian Brauner, Chuck Lever, Jeff Layton, Trond Myklebust, Anna Schumaker, Linus Torvalds
Signed-off-by: Chuck Lever <redacted> --- fs/lockd/xdr4.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-)
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c
index e6bab1d1e41f..6c5383bef2bf 100644
--- a/fs/lockd/xdr4.c
+++ b/fs/lockd/xdr4.c@@ -309,6 +309,21 @@ nlm4svc_decode_shareargs(struct svc_rqst *rqstp, __be32 *p) return 1; } +int +nlm4svc_decode_notify(struct svc_rqst *rqstp, __be32 *p) +{ + struct xdr_stream *xdr = &rqstp->rq_arg_stream; + struct nlm_args *argp = rqstp->rq_argp; + struct nlm_lock *lock = &argp->lock; + + if (!svcxdr_decode_string(xdr, &lock->caller, &lock->len)) + return 0; + if (xdr_stream_decode_u32(xdr, &argp->state) < 0) + return 0; + + return 1; +} + int nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p) {
@@ -342,19 +357,6 @@ nlm4svc_encode_res(struct svc_rqst *rqstp, __be32 *p) return xdr_ressize_check(rqstp, p); } -int -nlm4svc_decode_notify(struct svc_rqst *rqstp, __be32 *p) -{ - struct nlm_args *argp = rqstp->rq_argp; - struct nlm_lock *lock = &argp->lock; - - if (!(p = xdr_decode_string_inplace(p, &lock->caller, - &lock->len, NLM_MAXSTRLEN))) - return 0; - argp->state = ntohl(*p++); - return xdr_argsize_check(rqstp, p); -} - int nlm4svc_encode_void(struct svc_rqst *rqstp, __be32 *p) {