From: Vasily Averin <vvs@virtuozzo.com>
Date: Mon, 1 Jun 2020 08:54:57 +0000 (+0300)
Subject: sunrpc: fixed rollback in rpc_gssd_dummy_populate()
X-Git-Tag: v4.9.229~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=04e6e060f07300f7a28c563b30d2cc430a0d9035;p=platform%2Fkernel%2Flinux-amlogic.git

sunrpc: fixed rollback in rpc_gssd_dummy_populate()

commit b7ade38165ca0001c5a3bd5314a314abbbfbb1b7 upstream.

__rpc_depopulate(gssd_dentry) was lost on error path

cc: stable@vger.kernel.org
Fixes: commit 4b9a445e3eeb ("sunrpc: create a new dummy pipe for gssd to hold open")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 34f94052c519..137f92bfafac 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -1347,6 +1347,7 @@ rpc_gssd_dummy_populate(struct dentry *root, struct rpc_pipe *pipe_data)
 	q.len = strlen(gssd_dummy_clnt_dir[0].name);
 	clnt_dentry = d_hash_and_lookup(gssd_dentry, &q);
 	if (!clnt_dentry) {
+		__rpc_depopulate(gssd_dentry, gssd_dummy_clnt_dir, 0, 1);
 		pipe_dentry = ERR_PTR(-ENOENT);
 		goto out;
 	}