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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-09-02 13:28:04 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-09-02 13:32:48 -0400
commit280ebcf97ce4b252c72af74ff3149ab5a5c9e680 (patch)
treec6b713935561437044e42dc56d1a3ed4242d6b76 /net/sunrpc
parenteb6dc19d8e72ce3a957af5511d20c0db0a8bd007 (diff)
downloadlinux-280ebcf97ce4b252c72af74ff3149ab5a5c9e680.tar.gz
SUNRPC: rpcauth_create needs to know about rpc_clnt clone status
Ensure that we set rpc_clnt->cl_parent before calling rpc_client_register so that rpcauth_create can find any existing RPCSEC_GSS caches for this transport. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/clnt.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index af3f0cf7e27..8572d327078 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -313,7 +313,9 @@ out:
return err;
}
-static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, struct rpc_xprt *xprt)
+static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args,
+ struct rpc_xprt *xprt,
+ struct rpc_clnt *parent)
{
const struct rpc_program *program = args->program;
const struct rpc_version *version;
@@ -339,7 +341,7 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru
clnt = kzalloc(sizeof(*clnt), GFP_KERNEL);
if (!clnt)
goto out_err;
- clnt->cl_parent = clnt;
+ clnt->cl_parent = parent ? : clnt;
rcu_assign_pointer(clnt->cl_xprt, xprt);
clnt->cl_procinfo = version->procs;
@@ -377,6 +379,8 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru
err = rpc_client_register(args, clnt);
if (err)
goto out_no_path;
+ if (parent)
+ atomic_inc(&parent->cl_count);
return clnt;
out_no_path:
@@ -467,7 +471,7 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
if (args->flags & RPC_CLNT_CREATE_NONPRIVPORT)
xprt->resvport = 0;
- clnt = rpc_new_client(args, xprt);
+ clnt = rpc_new_client(args, xprt, NULL);
if (IS_ERR(clnt))
return clnt;
@@ -514,15 +518,12 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
goto out_err;
args->servername = xprt->servername;
- new = rpc_new_client(args, xprt);
+ new = rpc_new_client(args, xprt, clnt);
if (IS_ERR(new)) {
err = PTR_ERR(new);
goto out_err;
}
- atomic_inc(&clnt->cl_count);
- new->cl_parent = clnt;
-
/* Turn off autobind on clones */
new->cl_autobind = 0;
new->cl_softrtry = clnt->cl_softrtry;