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nfsd4: set cb_client inside setup_callback_client

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This is just a minor code simplification.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields 2009-02-23 10:45:27 -08:00
parent 595947acaa
commit e1cab5a589
1 changed files with 12 additions and 14 deletions
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26
fs/nfsd/nfs4callback.c
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@ -366,7 +366,7 @@ static int max_cb_time(void)
/* Reference counting, callback cleanup, etc., all look racy as heck.
* And why is cb_set an atomic? */
static struct rpc_clnt *setup_callback_client(struct nfs4_client *clp)
int setup_callback_client(struct nfs4_client *clp)
{
struct sockaddr_in addr;
struct nfs4_callback *cb = &clp->cl_callback;
@ -389,7 +389,7 @@ static struct rpc_clnt *setup_callback_client(struct nfs4_client *clp)
struct rpc_clnt *client;
if (!clp->cl_principal && (clp->cl_flavor >= RPC_AUTH_GSS_KRB5))
return ERR_PTR(-EINVAL);
return -EINVAL;
/* Initialize address */
memset(&addr, 0, sizeof(addr));
@ -399,10 +399,13 @@ static struct rpc_clnt *setup_callback_client(struct nfs4_client *clp)
/* Create RPC client */
client = rpc_create(&args);
if (IS_ERR(client))
if (IS_ERR(client)) {
dprintk("NFSD: couldn't create callback client: %ld\n",
PTR_ERR(client));
return client;
return PTR_ERR(client);
}
cb->cb_client = client;
return 0;
}
@ -414,28 +417,23 @@ static int do_probe_callback(void *data)
.rpc_proc = &nfs4_cb_procedures[NFSPROC4_CLNT_CB_NULL],
.rpc_argp = clp,
};
struct rpc_clnt *client;
int status;
client = setup_callback_client(clp);
if (IS_ERR(client)) {
status = PTR_ERR(client);
dprintk("NFSD: couldn't create callback client: %d\n",
status);
status = setup_callback_client(clp);
if (status)
goto out_err;
}
status = rpc_call_sync(client, &msg, RPC_TASK_SOFT);
status = rpc_call_sync(cb->cb_client, &msg, RPC_TASK_SOFT);
if (status)
goto out_release_client;
cb->cb_client = client;
atomic_set(&cb->cb_set, 1);
put_nfs4_client(clp);
return 0;
out_release_client:
rpc_shutdown_client(client);
rpc_shutdown_client(cb->cb_client);
cb->cb_client = NULL;
out_err:
dprintk("NFSD: warning: no callback path to client %.*s: error %d\n",
(int)clp->cl_name.len, clp->cl_name.data, status);