aboutsummaryrefslogtreecommitdiff
path: root/net/sunrpc
diff options
context:
space:
mode:
authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-23 14:42:29 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-30 09:19:37 -0400
commite726340ac9cf6bb5b3f92a064664e10cd2b748de (patch)
tree0b0003144c4f1e174d8902eb35ecf6a54c2c43ee /net/sunrpc
parentc2190661039b3817b4cc1cbfea620b3f7dbe5cd8 (diff)
downloadlinux-e726340ac9cf6bb5b3f92a064664e10cd2b748de.tar.gz
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>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 672a67ff644..63238033666 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -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);