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>

1 files changed, 2 insertions, 2 deletions

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);