diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-03-20 13:44:09 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-03-20 13:44:09 -0500 |
| commit | 12de3b35ea549c5819f287508d7afab0bf3ac44d (patch) | |
| tree | c1b7f96236c4b19bcd911705017bf31bcbc2b605 | |
| parent | 24c5d9d7ea5a64fb5f157d17aa2c67a3300f8a08 (diff) | |
| download | linux-12de3b35ea549c5819f287508d7afab0bf3ac44d.tar.bz2 | |
SUNRPC: Ensure that rpc_mkpipe returns a refcounted dentry
If not, we cannot guarantee that idmap->idmap_dentry, gss_auth->dentry and
clnt->cl_dentry are valid dentries.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/idmap.c | 2 | ||||
| -rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 2 | ||||
| -rw-r--r-- | net/sunrpc/clnt.c | 3 | ||||
| -rw-r--r-- | net/sunrpc/rpc_pipe.c | 4 |
4 files changed, 9 insertions, 2 deletions
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c index 821edd30333b..32c95a0d93f3 100644 --- a/fs/nfs/idmap.c +++ b/fs/nfs/idmap.c @@ -132,6 +132,8 @@ nfs_idmap_delete(struct nfs4_client *clp) if (!idmap) return; + dput(idmap->idmap_dentry); + idmap->idmap_dentry = NULL; rpc_unlink(idmap->idmap_path); clp->cl_idmap = NULL; kfree(idmap); diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index bb46efd92e57..900ef31f5a0e 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -721,6 +721,8 @@ gss_destroy(struct rpc_auth *auth) gss_auth = container_of(auth, struct gss_auth, rpc_auth); rpc_unlink(gss_auth->path); + dput(gss_auth->dentry); + gss_auth->dentry = NULL; gss_mech_put(gss_auth->mech); rpcauth_free_credcache(auth); diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index d78479782045..a6d7c332dd49 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -240,6 +240,7 @@ rpc_clone_client(struct rpc_clnt *clnt) new->cl_autobind = 0; new->cl_oneshot = 0; new->cl_dead = 0; + dget(new->cl_dentry); rpc_init_rtt(&new->cl_rtt_default, clnt->cl_xprt->timeout.to_initval); if (new->cl_auth) atomic_inc(&new->cl_auth->au_count); @@ -314,6 +315,8 @@ rpc_destroy_client(struct rpc_clnt *clnt) if (clnt->cl_server != clnt->cl_inline_name) kfree(clnt->cl_server); out_free: + if (clnt->cl_dentry) + dput(clnt->cl_dentry); kfree(clnt); return 0; } diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 567abbe25bc8..72b22172f0af 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -669,7 +669,7 @@ rpc_mkdir(char *path, struct rpc_clnt *rpc_client) out: mutex_unlock(&dir->i_mutex); rpc_release_path(&nd); - return dentry; + return dget(dentry); err_depopulate: rpc_depopulate(dentry); __rpc_rmdir(dir, dentry); @@ -733,7 +733,7 @@ rpc_mkpipe(char *path, void *private, struct rpc_pipe_ops *ops, int flags) out: mutex_unlock(&dir->i_mutex); rpc_release_path(&nd); - return dentry; + return dget(dentry); err_dput: dput(dentry); dentry = ERR_PTR(-ENOMEM); |