5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chuck Lever <chuck.lever@xxxxxxxxxx> [ Upstream commit 3dfd0b0e15671e2b4047ccb9222432f0b2d930be ] Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- fs/nfsd/nfs4xdr.c | 52 +++++++++++++++++++---------------------------- 1 file changed, 21 insertions(+), 31 deletions(-) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 2e2fae7e38db2..bf2a2ef6a8b97 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -575,18 +575,6 @@ nfsd4_decode_fattr4(struct nfsd4_compoundargs *argp, u32 *bmval, u32 bmlen, return nfs_ok; } -static __be32 -nfsd4_decode_stateid(struct nfsd4_compoundargs *argp, stateid_t *sid) -{ - DECODE_HEAD; - - READ_BUF(sizeof(stateid_t)); - sid->si_generation = be32_to_cpup(p++); - COPYMEM(&sid->si_opaque, sizeof(stateid_opaque_t)); - - DECODE_TAIL; -} - static __be32 nfsd4_decode_stateid4(struct nfsd4_compoundargs *argp, stateid_t *sid) { @@ -1919,25 +1907,6 @@ nfsd4_decode_fallocate(struct nfsd4_compoundargs *argp, return nfs_ok; } -static __be32 -nfsd4_decode_clone(struct nfsd4_compoundargs *argp, struct nfsd4_clone *clone) -{ - DECODE_HEAD; - - status = nfsd4_decode_stateid(argp, &clone->cl_src_stateid); - if (status) - return status; - status = nfsd4_decode_stateid(argp, &clone->cl_dst_stateid); - if (status) - return status; - - READ_BUF(8 + 8 + 8); - p = xdr_decode_hyper(p, &clone->cl_src_pos); - p = xdr_decode_hyper(p, &clone->cl_dst_pos); - p = xdr_decode_hyper(p, &clone->cl_count); - DECODE_TAIL; -} - static __be32 nfsd4_decode_nl4_server(struct nfsd4_compoundargs *argp, struct nl4_server *ns) { @@ -2067,6 +2036,27 @@ nfsd4_decode_seek(struct nfsd4_compoundargs *argp, struct nfsd4_seek *seek) return nfs_ok; } +static __be32 +nfsd4_decode_clone(struct nfsd4_compoundargs *argp, struct nfsd4_clone *clone) +{ + __be32 status; + + status = nfsd4_decode_stateid4(argp, &clone->cl_src_stateid); + if (status) + return status; + status = nfsd4_decode_stateid4(argp, &clone->cl_dst_stateid); + if (status) + return status; + if (xdr_stream_decode_u64(argp->xdr, &clone->cl_src_pos) < 0) + return nfserr_bad_xdr; + if (xdr_stream_decode_u64(argp->xdr, &clone->cl_dst_pos) < 0) + return nfserr_bad_xdr; + if (xdr_stream_decode_u64(argp->xdr, &clone->cl_count) < 0) + return nfserr_bad_xdr; + + return nfs_ok; +} + /* * XDR data that is more than PAGE_SIZE in size is normally part of a * read or write. However, the size of extended attributes is limited -- 2.43.0