From 20798dfe249a01ad1b12eec7dbc572db5003244a Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Wed, 18 Nov 2020 16:11:42 -0500 Subject: NFSD: Update the NFSv3 GETACL result encoder to use struct xdr_stream Signed-off-by: Chuck Lever --- fs/nfsd/nfs3acl.c | 33 +++++++++++++++++++-------------- 1 file changed, 19 insertions(+), 14 deletions(-) (limited to 'fs/nfsd/nfs3acl.c') diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c index 9a6f18d74d14..11991026ab3a 100644 --- a/fs/nfsd/nfs3acl.c +++ b/fs/nfsd/nfs3acl.c @@ -168,22 +168,25 @@ static int nfs3svc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p) /* GETACL */ static int nfs3svc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p) { + struct xdr_stream *xdr = &rqstp->rq_res_stream; struct nfsd3_getaclres *resp = rqstp->rq_resp; struct dentry *dentry = resp->fh.fh_dentry; + struct kvec *head = rqstp->rq_res.head; + struct inode *inode = d_inode(dentry); + unsigned int base; + int n; + int w; - *p++ = resp->status; - p = nfs3svc_encode_post_op_attr(rqstp, p, &resp->fh); - if (resp->status == 0 && dentry && d_really_is_positive(dentry)) { - struct inode *inode = d_inode(dentry); - struct kvec *head = rqstp->rq_res.head; - unsigned int base; - int n; - int w; - - *p++ = htonl(resp->mask); - if (!xdr_ressize_check(rqstp, p)) + if (!svcxdr_encode_nfsstat3(xdr, resp->status)) + return 0; + switch (resp->status) { + case nfs_ok: + if (!svcxdr_encode_post_op_attr(rqstp, xdr, &resp->fh)) return 0; - base = (char *)p - (char *)head->iov_base; + if (xdr_stream_encode_u32(xdr, resp->mask) < 0) + return 0; + + base = (char *)xdr->p - (char *)head->iov_base; rqstp->rq_res.page_len = w = nfsacl_size( (resp->mask & NFS_ACL) ? resp->acl_access : NULL, @@ -204,9 +207,11 @@ static int nfs3svc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p) NFS_ACL_DEFAULT); if (n <= 0) return 0; - } else - if (!xdr_ressize_check(rqstp, p)) + break; + default: + if (!svcxdr_encode_post_op_attr(rqstp, xdr, &resp->fh)) return 0; + } return 1; } -- cgit v1.2.3