5.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Chuck Lever <chuck.lever@xxxxxxxxxx>
[ Upstream commit c8e88e3aa73889421461f878cd569ef84f231ceb ]
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/nfsd/nfs4xdr.c | 31 +++++++++++++++++--------------
1 file changed, 17 insertions(+), 14 deletions(-)
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 9cd7270e67adc..837d2d8fb3ff8 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1844,24 +1844,27 @@ static __be32
nfsd4_decode_layoutget(struct nfsd4_compoundargs *argp,
struct nfsd4_layoutget *lgp)
{
- DECODE_HEAD;
-
- READ_BUF(36);
- lgp->lg_signal = be32_to_cpup(p++);
- lgp->lg_layout_type = be32_to_cpup(p++);
- lgp->lg_seg.iomode = be32_to_cpup(p++);
- p = xdr_decode_hyper(p, &lgp->lg_seg.offset);
- p = xdr_decode_hyper(p, &lgp->lg_seg.length);
- p = xdr_decode_hyper(p, &lgp->lg_minlength);
+ __be32 status;
- status = nfsd4_decode_stateid(argp, &lgp->lg_sid);
+ if (xdr_stream_decode_u32(argp->xdr, &lgp->lg_signal) < 0)
+ return nfserr_bad_xdr;
+ if (xdr_stream_decode_u32(argp->xdr, &lgp->lg_layout_type) < 0)
+ return nfserr_bad_xdr;
+ if (xdr_stream_decode_u32(argp->xdr, &lgp->lg_seg.iomode) < 0)
+ return nfserr_bad_xdr;
+ if (xdr_stream_decode_u64(argp->xdr, &lgp->lg_seg.offset) < 0)
+ return nfserr_bad_xdr;
+ if (xdr_stream_decode_u64(argp->xdr, &lgp->lg_seg.length) < 0)
+ return nfserr_bad_xdr;
+ if (xdr_stream_decode_u64(argp->xdr, &lgp->lg_minlength) < 0)
+ return nfserr_bad_xdr;
+ status = nfsd4_decode_stateid4(argp, &lgp->lg_sid);
if (status)
return status;
+ if (xdr_stream_decode_u32(argp->xdr, &lgp->lg_maxcount) < 0)
+ return nfserr_bad_xdr;
- READ_BUF(4);
- lgp->lg_maxcount = be32_to_cpup(p++);
-
- DECODE_TAIL;
+ return nfs_ok;
}
static __be32
--
2.43.0
