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authorJ. Bruce Fields <bfields@citi.umich.edu>2009-02-23 10:45:27 -0800
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-04-29 16:44:47 -0400
commite1cab5a5896e142190cd66a8287099b52e5855a7 (patch)
treedbdf0c075a83b192a1e2e2d450cac65f720a4ec4 /fs/nfsd/nfs4callback.c
parent595947acaaef373445131471a78650003f5d8e7d (diff)
nfsd4: set cb_client inside setup_callback_client
This is just a minor code simplification. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd/nfs4callback.c')
-rw-r--r--fs/nfsd/nfs4callback.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 049f052a6eb..4788d09d9be 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -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);