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SUNRPC: fix bug in patch "portmapper doesn't need a reserved port"

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The in-kernel portmapper does in fact need a reserved port when registering
 new services, but not when performing bind queries.

 Ensure that we distinguish between the two cases.

 Signed-off-by: Chuck Lever <cel@netapp.com>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2005-09-22 21:24:59 -04:00 committed by Trond Myklebust
parent f134585a73
commit 6cd7525a00
1 changed files with 7 additions and 6 deletions
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13
net/sunrpc/pmap_clnt.c
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@ -26,7 +26,7 @@
#define PMAP_GETPORT 3
static struct rpc_procinfo pmap_procedures[];
static struct rpc_clnt * pmap_create(char *, struct sockaddr_in *, int);
static struct rpc_clnt * pmap_create(char *, struct sockaddr_in *, int, int);
static void pmap_getport_done(struct rpc_task *);
static struct rpc_program pmap_program;
static DEFINE_SPINLOCK(pmap_lock);
@ -65,7 +65,7 @@ rpc_getport(struct rpc_task *task, struct rpc_clnt *clnt)
map->pm_binding = 1;
spin_unlock(&pmap_lock);
pmap_clnt = pmap_create(clnt->cl_server, sap, map->pm_prot);
pmap_clnt = pmap_create(clnt->cl_server, sap, map->pm_prot, 0);
if (IS_ERR(pmap_clnt)) {
task->tk_status = PTR_ERR(pmap_clnt);
goto bailout;
@ -112,7 +112,7 @@ rpc_getport_external(struct sockaddr_in *sin, __u32 prog, __u32 vers, int prot)
NIPQUAD(sin->sin_addr.s_addr), prog, vers, prot);
sprintf(hostname, "%u.%u.%u.%u", NIPQUAD(sin->sin_addr.s_addr));
pmap_clnt = pmap_create(hostname, sin, prot);
pmap_clnt = pmap_create(hostname, sin, prot, 0);
if (IS_ERR(pmap_clnt))
return PTR_ERR(pmap_clnt);
@ -171,7 +171,7 @@ rpc_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay)
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
pmap_clnt = pmap_create("localhost", &sin, IPPROTO_UDP);
pmap_clnt = pmap_create("localhost", &sin, IPPROTO_UDP, 1);
if (IS_ERR(pmap_clnt)) {
error = PTR_ERR(pmap_clnt);
dprintk("RPC: couldn't create pmap client. Error = %d\n", error);
@ -198,7 +198,7 @@ rpc_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay)
}
static struct rpc_clnt *
pmap_create(char *hostname, struct sockaddr_in *srvaddr, int proto)
pmap_create(char *hostname, struct sockaddr_in *srvaddr, int proto, int privileged)
{
struct rpc_xprt *xprt;
struct rpc_clnt *clnt;
@ -208,7 +208,8 @@ pmap_create(char *hostname, struct sockaddr_in *srvaddr, int proto)
if (IS_ERR(xprt))
return (struct rpc_clnt *)xprt;
xprt->addr.sin_port = htons(RPC_PMAP_PORT);
xprt->resvport = 0;
if (!privileged)
xprt->resvport = 0;
/* printk("pmap: create clnt\n"); */
clnt = rpc_new_client(xprt, hostname,