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path: root/fs/lockd/xdr4.c
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Diffstat (limited to 'fs/lockd/xdr4.c')
-rw-r--r--fs/lockd/xdr4.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c
index a78240551219..ce1efdbe1b3a 100644
--- a/fs/lockd/xdr4.c
+++ b/fs/lockd/xdr4.c
@@ -516,17 +516,24 @@ nlm4clt_decode_res(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp)
return 0;
}
+#if (NLMCLNT_OHSIZE > XDR_MAX_NETOBJ)
+# error "NLM host name cannot be larger than XDR_MAX_NETOBJ!"
+#endif
+
+#if (NLMCLNT_OHSIZE > NLM_MAXSTRLEN)
+# error "NLM host name cannot be larger than NLM's maximum string length!"
+#endif
+
/*
* Buffer requirements for NLM
*/
#define NLM4_void_sz 0
#define NLM4_cookie_sz 1+XDR_QUADLEN(NLM_MAXCOOKIELEN)
-#define NLM4_caller_sz 1+XDR_QUADLEN(NLM_MAXSTRLEN)
-#define NLM4_netobj_sz 1+XDR_QUADLEN(XDR_MAX_NETOBJ)
-/* #define NLM4_owner_sz 1+XDR_QUADLEN(NLM4_MAXOWNER) */
+#define NLM4_caller_sz 1+XDR_QUADLEN(NLMCLNT_OHSIZE)
+#define NLM4_owner_sz 1+XDR_QUADLEN(NLMCLNT_OHSIZE)
#define NLM4_fhandle_sz 1+XDR_QUADLEN(NFS3_FHSIZE)
-#define NLM4_lock_sz 5+NLM4_caller_sz+NLM4_netobj_sz+NLM4_fhandle_sz
-#define NLM4_holder_sz 6+NLM4_netobj_sz
+#define NLM4_lock_sz 5+NLM4_caller_sz+NLM4_owner_sz+NLM4_fhandle_sz
+#define NLM4_holder_sz 6+NLM4_owner_sz
#define NLM4_testargs_sz NLM4_cookie_sz+1+NLM4_lock_sz
#define NLM4_lockargs_sz NLM4_cookie_sz+4+NLM4_lock_sz
@@ -537,10 +544,6 @@ nlm4clt_decode_res(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp)
#define NLM4_res_sz NLM4_cookie_sz+1
#define NLM4_norep_sz 0
-#ifndef MAX
-# define MAX(a,b) (((a) > (b))? (a) : (b))
-#endif
-
/*
* For NLM, a void procedure really returns nothing
*/
@@ -551,7 +554,8 @@ nlm4clt_decode_res(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp)
.p_proc = NLMPROC_##proc, \
.p_encode = (kxdrproc_t) nlm4clt_encode_##argtype, \
.p_decode = (kxdrproc_t) nlm4clt_decode_##restype, \
- .p_bufsiz = MAX(NLM4_##argtype##_sz, NLM4_##restype##_sz) << 2, \
+ .p_arglen = NLM4_##argtype##_sz, \
+ .p_replen = NLM4_##restype##_sz, \
.p_statidx = NLMPROC_##proc, \
.p_name = #proc, \
}