diff options
| -rw-r--r-- | fs/lockd/xdr.c | 13 | ||||
| -rw-r--r-- | fs/lockd/xdr4.c | 17 | ||||
| -rw-r--r-- | include/linux/lockd/lockd.h | 2 |
3 files changed, 21 insertions, 11 deletions
diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c index 34dae5d70738..6aac4b2c9ff0 100644 --- a/fs/lockd/xdr.c +++ b/fs/lockd/xdr.c @@ -510,17 +510,20 @@ nlmclt_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 + /* * Buffer requirements for NLM */ #define NLM_void_sz 0 #define NLM_cookie_sz 1+XDR_QUADLEN(NLM_MAXCOOKIELEN) -#define NLM_caller_sz 1+XDR_QUADLEN(sizeof(utsname()->nodename)) -#define NLM_netobj_sz 1+XDR_QUADLEN(XDR_MAX_NETOBJ) -/* #define NLM_owner_sz 1+XDR_QUADLEN(NLM_MAXOWNER) */ +#define NLM_caller_sz 1+XDR_QUADLEN(NLMCLNT_OHSIZE) +#define NLM_owner_sz 1+XDR_QUADLEN(NLMCLNT_OHSIZE) #define NLM_fhandle_sz 1+XDR_QUADLEN(NFS2_FHSIZE) -#define NLM_lock_sz 3+NLM_caller_sz+NLM_netobj_sz+NLM_fhandle_sz -#define NLM_holder_sz 4+NLM_netobj_sz +#define NLM_lock_sz 3+NLM_caller_sz+NLM_owner_sz+NLM_fhandle_sz +#define NLM_holder_sz 4+NLM_owner_sz #define NLM_testargs_sz NLM_cookie_sz+1+NLM_lock_sz #define NLM_lockargs_sz NLM_cookie_sz+4+NLM_lock_sz diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c index a78240551219..7c8b679c394c 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 diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index ac25b5649c59..f6a81e0b1b93 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -88,7 +88,7 @@ struct nlm_wait; /* * Memory chunk for NLM client RPC request. */ -#define NLMCLNT_OHSIZE (sizeof(utsname()->nodename)+10) +#define NLMCLNT_OHSIZE ((__NEW_UTS_LEN) + 10u) struct nlm_rqst { unsigned int a_flags; /* initial RPC task flags */ struct nlm_host * a_host; /* host handle */ |