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>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d784797..a6d7c33 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -240,6 +240,7 @@
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 @@
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;
}