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authorChuck Lever <chuck.lever@oracle.com>2021-06-03 23:52:34 +0300
committerJ. Bruce Fields <bfields@redhat.com>2021-07-07 03:14:43 +0300
commit1e1f38dcf3c031715191e1fd26f70a0affca4dbd (patch)
tree7f09ac0ed695039ef91eda7b41a0f6a65f32efe3 /fs/lockd
parent0e5977af4fdc277984fca7d8c2e0c880935775a0 (diff)
downloadlinux-1e1f38dcf3c031715191e1fd26f70a0affca4dbd.tar.xz
lockd: Update the NLMv4 CANCEL arguments decoder to use struct xdr_stream
Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/lockd')
-rw-r--r--fs/lockd/xdr4.c33
1 files changed, 18 insertions, 15 deletions
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c
index 1d3e780c25fd..37d45f1d7199 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