RPCSEC_GSS: Further cleanups

Don't pass the rpc_client as a parameter, when what we really want is
the net namespace.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2013-08-23 14:42:29 -04:00
parent c219066103
commit e726340ac9

View File

@ -77,6 +77,7 @@ struct gss_auth {
struct gss_api_mech *mech;
enum rpc_gss_svc service;
struct rpc_clnt *client;
struct net *net;
/*
* There are two upcall pipes; dentry[1], named "gssd", is used
* for the new text-based upcall; dentry[0] is named after the
@ -295,7 +296,7 @@ static void put_pipe_version(struct net *net)
static void
gss_release_msg(struct gss_upcall_msg *gss_msg)
{
struct net *net = rpc_net_ns(gss_msg->auth->client);
struct net *net = gss_msg->auth->net;
if (!atomic_dec_and_test(&gss_msg->count))
return;
put_pipe_version(net);
@ -441,7 +442,7 @@ static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg,
}
static struct gss_upcall_msg *
gss_alloc_msg(struct gss_auth *gss_auth, struct rpc_clnt *clnt,
gss_alloc_msg(struct gss_auth *gss_auth,
kuid_t uid, const char *service_name)
{
struct gss_upcall_msg *gss_msg;
@ -450,7 +451,7 @@ gss_alloc_msg(struct gss_auth *gss_auth, struct rpc_clnt *clnt,
gss_msg = kzalloc(sizeof(*gss_msg), GFP_NOFS);
if (gss_msg == NULL)
return ERR_PTR(-ENOMEM);
vers = get_pipe_version(rpc_net_ns(clnt));
vers = get_pipe_version(gss_auth->net);
if (vers < 0) {
kfree(gss_msg);
return ERR_PTR(vers);
@ -472,14 +473,14 @@ gss_alloc_msg(struct gss_auth *gss_auth, struct rpc_clnt *clnt,
}
static struct gss_upcall_msg *
gss_setup_upcall(struct rpc_clnt *clnt, struct gss_auth *gss_auth, struct rpc_cred *cred)
gss_setup_upcall(struct gss_auth *gss_auth, struct rpc_cred *cred)
{
struct gss_cred *gss_cred = container_of(cred,
struct gss_cred, gc_base);
struct gss_upcall_msg *gss_new, *gss_msg;
kuid_t uid = cred->cr_uid;
gss_new = gss_alloc_msg(gss_auth, clnt, uid, gss_cred->gc_principal);
gss_new = gss_alloc_msg(gss_auth, uid, gss_cred->gc_principal);
if (IS_ERR(gss_new))
return gss_new;
gss_msg = gss_add_msg(gss_new);
@ -520,7 +521,7 @@ gss_refresh_upcall(struct rpc_task *task)
dprintk("RPC: %5u %s for uid %u\n",
task->tk_pid, __func__, from_kuid(&init_user_ns, cred->cr_uid));
gss_msg = gss_setup_upcall(task->tk_client, gss_auth, cred);
gss_msg = gss_setup_upcall(gss_auth, cred);
if (PTR_ERR(gss_msg) == -EAGAIN) {
/* XXX: warning on the first, under the assumption we
* shouldn't normally hit this case on a refresh. */
@ -559,7 +560,7 @@ out:
static inline int
gss_create_upcall(struct gss_auth *gss_auth, struct gss_cred *gss_cred)
{
struct net *net = rpc_net_ns(gss_auth->client);
struct net *net = gss_auth->net;
struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
struct rpc_pipe *pipe;
struct rpc_cred *cred = &gss_cred->gc_base;
@ -576,7 +577,7 @@ retry:
timeout = 15 * HZ;
if (!sn->gssd_running)
timeout = HZ >> 2;
gss_msg = gss_setup_upcall(gss_auth->client, gss_auth, cred);
gss_msg = gss_setup_upcall(gss_auth, cred);
if (PTR_ERR(gss_msg) == -EAGAIN) {
err = wait_event_interruptible_timeout(pipe_version_waitqueue,
sn->pipe_version >= 0, timeout);
@ -832,7 +833,9 @@ err_unlink_pipe_1:
static void gss_pipes_dentries_destroy_net(struct rpc_clnt *clnt,
struct rpc_auth *auth)
{
struct net *net = rpc_net_ns(clnt);
struct gss_auth *gss_auth = container_of(auth, struct gss_auth,
rpc_auth);
struct net *net = gss_auth->net;
struct super_block *sb;
sb = rpc_get_sb_net(net);
@ -846,7 +849,9 @@ static void gss_pipes_dentries_destroy_net(struct rpc_clnt *clnt,
static int gss_pipes_dentries_create_net(struct rpc_clnt *clnt,
struct rpc_auth *auth)
{
struct net *net = rpc_net_ns(clnt);
struct gss_auth *gss_auth = container_of(auth, struct gss_auth,
rpc_auth);
struct net *net = gss_auth->net;
struct super_block *sb;
int err = 0;
@ -884,11 +889,12 @@ gss_create(struct rpc_auth_create_args *args, struct rpc_clnt *clnt)
goto err_free;
}
gss_auth->client = clnt;
gss_auth->net = get_net(rpc_net_ns(clnt));
err = -EINVAL;
gss_auth->mech = gss_mech_get_by_pseudoflavor(flavor);
if (!gss_auth->mech) {
dprintk("RPC: Pseudoflavor %d not found!\n", flavor);
goto err_free;
goto err_put_net;
}
gss_auth->service = gss_pseudoflavor_to_service(gss_auth->mech, flavor);
if (gss_auth->service == 0)
@ -936,6 +942,8 @@ err_destroy_pipe_1:
rpc_destroy_pipe_data(gss_auth->pipe[1]);
err_put_mech:
gss_mech_put(gss_auth->mech);
err_put_net:
put_net(gss_auth->net);
err_free:
kfree(gss_auth->target_name);
kfree(gss_auth);
@ -951,6 +959,7 @@ gss_free(struct gss_auth *gss_auth)
rpc_destroy_pipe_data(gss_auth->pipe[0]);
rpc_destroy_pipe_data(gss_auth->pipe[1]);
gss_mech_put(gss_auth->mech);
put_net(gss_auth->net);
kfree(gss_auth->target_name);
kfree(gss_auth);