From 09fcb3900f1b86efc250b62ee913b57a064d7d8f Mon Sep 17 00:00:00 2001
From: Hans Petter Selasky <hselasky@FreeBSD.org>
Date: Fri, 11 Mar 2022 17:29:54 +0100
Subject: [PATCH] lindebugfs: Zero the linux_file structure before use.

This avoids clients using garbage values on the stack and makes
debugging easier.

Sponsored by:	NVIDIA Networking
Approved by:	re (gjb)

(cherry picked from commit 88a29d89ebab1ed60607c3dab73143c3b59a0f83)
(cherry picked from commit b5cc52c21d7d34eae93c996cee09e7d2896afa6e)
---
 sys/compat/lindebugfs/lindebugfs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sys/compat/lindebugfs/lindebugfs.c b/sys/compat/lindebugfs/lindebugfs.c
index 8eaa41412fd2..9507cded9ebd 100644
--- a/sys/compat/lindebugfs/lindebugfs.c
+++ b/sys/compat/lindebugfs/lindebugfs.c
@@ -117,7 +117,7 @@ static int
 debugfs_fill(PFS_FILL_ARGS)
 {
 	struct dentry_meta *d;
-	struct linux_file lf;
+	struct linux_file lf = {};
 	struct seq_file *sf;
 	struct vnode vn;
 	void *buf;
@@ -139,7 +139,6 @@ debugfs_fill(PFS_FILL_ARGS)
 		len = sbuf_len(sb);
 	}
 	off = 0;
-	lf.private_data = NULL;
 	rc = d->dm_fops->open(&vn, &lf);
 	if (rc < 0) {
 #ifdef INVARIANTS
-- 
2.39.5