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| author | Chuck Lever <chuck.lever@oracle.com> | 2021-06-03 23:51:16 +0300 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2021-07-07 03:14:42 +0300 |
| commit | f4e08f3ac8c4945ea54a740e3afcf44b34e7cf44 (patch) | |
| tree | 49def518875691dd09932e531102e99fddc18157 | |
| parent | c1adb8c672ca2b085c400695ef064547d77eda29 (diff) | |
| download | linux-f4e08f3ac8c4945ea54a740e3afcf44b34e7cf44.tar.xz | |
lockd: Update the NLMv1 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>
| -rw-r--r-- | fs/lockd/xdr.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c index 8a9f02e45df2..ef38f07d1224 100644 --- a/fs/lockd/xdr.c +++ b/fs/lockd/xdr.c @@ -294,30 +294,34 @@ nlmsvc_decode_lockargs(struct svc_rqst *rqstp, __be32 *p) } int -nlmsvc_encode_testres(struct svc_rqst *rqstp, __be32 *p) +nlmsvc_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 = nlm_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 -nlmsvc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p) +nlmsvc_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 = nlm_decode_cookie(p, &argp->cookie))) - return 0; - argp->block = ntohl(*p++); - exclusive = ntohl(*p++); - if (!(p = nlm_decode_lock(p, &argp->lock))) + if (!(p = nlm_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 |