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authorChuck Lever <chuck.lever@oracle.com>2007-12-10 14:56:54 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-01-30 02:05:51 -0500
commitcc38bac3a0093b3b7928efc6ff8e9faf9e75f41d (patch)
tree971f0653619e9068408d2938af37147f7448a53d /fs
parent0fb2b7e945f55a8317e5f58db7c068aab5b825a1 (diff)
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NFS: Ensure NFSv4 SETCLIENTID send buffer is large enough
Ensure that the RPC buffer size specified for NFSv4 SETCLIENTID procedures matches what we are encoding into the buffer. See the definition of struct nfs4_setclientid {} and the encode_setclientid() function. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs4xdr.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index eae46f008da7..db1ed9c46ede 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -116,10 +116,12 @@ static int nfs4_stat_to_errno(int);
#define decode_renew_maxsz (op_decode_hdr_maxsz)
#define encode_setclientid_maxsz \
(op_encode_hdr_maxsz + \
- 4 /*server->ip_addr*/ + \
- 1 /*Netid*/ + \
- 6 /*uaddr*/ + \
- 6 + (NFS4_VERIFIER_SIZE >> 2))
+ XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \
+ XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \
+ 1 /* sc_prog */ + \
+ XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \
+ XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \
+ 1) /* sc_cb_ident */
#define decode_setclientid_maxsz \
(op_decode_hdr_maxsz + \
2 + \
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