5.10-stable review patch. If anyone has any objections, please let me know.
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From: Chuck Lever chuck.lever@oracle.com
[ Upstream commit 94c8f8c682a6497af7ea71351b18f637c6337d42 ]
Signed-off-by: Chuck Lever chuck.lever@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfsd/nfsxdr.c | 22 +++++++++++++--------- fs/nfsd/xdr.h | 1 + 2 files changed, 14 insertions(+), 9 deletions(-)
diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c index 8ae23ed6dc5db..9522e5c5f49db 100644 --- a/fs/nfsd/nfsxdr.c +++ b/fs/nfsd/nfsxdr.c @@ -574,17 +574,21 @@ nfssvc_encode_readres(struct svc_rqst *rqstp, __be32 *p) int nfssvc_encode_readdirres(struct svc_rqst *rqstp, __be32 *p) { + struct xdr_stream *xdr = &rqstp->rq_res_stream; struct nfsd_readdirres *resp = rqstp->rq_resp;
- *p++ = resp->status; - if (resp->status != nfs_ok) - return xdr_ressize_check(rqstp, p); - - xdr_ressize_check(rqstp, p); - p = resp->buffer; - *p++ = 0; /* no more entries */ - *p++ = htonl((resp->common.err == nfserr_eof)); - rqstp->rq_res.page_len = resp->count << 2; + if (!svcxdr_encode_stat(xdr, resp->status)) + return 0; + switch (resp->status) { + case nfs_ok: + xdr_write_pages(xdr, &resp->page, 0, resp->count << 2); + /* no more entries */ + if (xdr_stream_encode_item_absent(xdr) < 0) + return 0; + if (xdr_stream_encode_bool(xdr, resp->common.err == nfserr_eof) < 0) + return 0; + break; + }
return 1; } diff --git a/fs/nfsd/xdr.h b/fs/nfsd/xdr.h index 75b3b31445340..d7beef2c2ed5b 100644 --- a/fs/nfsd/xdr.h +++ b/fs/nfsd/xdr.h @@ -114,6 +114,7 @@ struct nfsd_readdirres { __be32 * buffer; int buflen; __be32 * offset; + struct page *page; };
struct nfsd_statfsres {