From e726340ac9cf6bb5b3f92a064664e10cd2b748de Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Fri, 23 Aug 2013 14:42:29 -0400 Subject: 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 --- net/sunrpc/auth_gss/auth_gss.c | 31 ++++++++++++++++++++----------- 1 file changed, 20 insertions(+), 11 deletions(-) (limited to 'net') diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index 672a67ff6449..632380336660 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); -- cgit v1.2.3