[PATCH 4.9 185/191] sunrpc: fixed rollback in rpc_gssd_dummy_populate()

[Sasha Levin]

From: Vasily Averin <vvs@xxxxxxxxxxxxx>

commit b7ade38165ca0001c5a3bd5314a314abbbfbb1b7 upstream.

__rpc_depopulate(gssd_dentry) was lost on error path

cc: stable@xxxxxxxxxxxxxxx
Fixes: commit 4b9a445e3eeb ("sunrpc: create a new dummy pipe for gssd to hold open")
Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 net/sunrpc/rpc_pipe.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 34f94052c519d..137f92bfafac7 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;
 	}
-- 
2.25.1