This is a note to let you know that I've just added the patch titled
lockd: Update the NLMv4 SHARE results encoder to use struct xdr_stream
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
lockd-update-the-nlmv4-share-results-encoder-to-use-.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 67b33b7732c6dcab6694fdf8aea0afbf4af0e0c6
Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
Date: Thu Jun 3 16:53:29 2021 -0400
lockd: Update the NLMv4 SHARE results encoder to use struct xdr_stream
[ Upstream commit 0ff5b50ab1f7f39862d0cdf6803978d31b27f25e ]
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c
index efdede71b9511..98e957e4566c2 100644
--- a/fs/lockd/xdr4.c
+++ b/fs/lockd/xdr4.c
@@ -40,15 +40,6 @@ loff_t_to_s64(loff_t offset)
return res;
}
-static __be32 *
-nlm4_encode_cookie(__be32 *p, struct nlm_cookie *c)
-{
- *p++ = htonl(c->len);
- memcpy(p, c->data, c->len);
- p+=XDR_QUADLEN(c->len);
- return p;
-}
-
/*
* NLM file handles are defined by specification to be a variable-length
* XDR opaque no longer than 1024 bytes. However, this implementation
@@ -356,11 +347,16 @@ nlm4svc_encode_res(struct svc_rqst *rqstp, __be32 *p)
int
nlm4svc_encode_shareres(struct svc_rqst *rqstp, __be32 *p)
{
+ struct xdr_stream *xdr = &rqstp->rq_res_stream;
struct nlm_res *resp = rqstp->rq_resp;
- if (!(p = nlm4_encode_cookie(p, &resp->cookie)))
+ if (!svcxdr_encode_cookie(xdr, &resp->cookie))
return 0;
- *p++ = resp->status;
- *p++ = xdr_zero; /* sequence argument */
- return xdr_ressize_check(rqstp, p);
+ if (!svcxdr_encode_stats(xdr, resp->status))
+ return 0;
+ /* sequence */
+ if (xdr_stream_encode_u32(xdr, 0) < 0)
+ return 0;
+
+ return 1;
}
