From 68ec2949ad3411aa8a684dfca2cae90cbe202675 Mon Sep 17 00:00:00 2001
From: Hans Petter Selasky <hselasky@FreeBSD.org>
Date: Fri, 11 Mar 2022 17:37:46 +0100
Subject: [PATCH] lindebugfs: The Linux file operations use negative return
 values in the kernel.

Fix sign.

MFC after:	1 week
Sponsored by:	NVIDIA Networking
---
 sys/compat/lindebugfs/lindebugfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/compat/lindebugfs/lindebugfs.c b/sys/compat/lindebugfs/lindebugfs.c
index 9507cded9eb..cbfdfbbce87 100644
--- a/sys/compat/lindebugfs/lindebugfs.c
+++ b/sys/compat/lindebugfs/lindebugfs.c
@@ -152,12 +152,12 @@ debugfs_fill(PFS_FILL_ARGS)
 		if (d->dm_fops->read)
 			rc = d->dm_fops->read(&lf, NULL, len, &off);
 		else
-			rc = ENODEV;
+			rc = -ENODEV;
 	} else {
 		if (d->dm_fops->write)
 			rc = d->dm_fops->write(&lf, buf, len, &off);
 		else
-			rc = ENODEV;
+			rc = -ENODEV;
 	}
 	if (d->dm_fops->release)
 		d->dm_fops->release(&vn, &lf);