From 645e752c5a84baeb21015cdc85fc05b7d16312c8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:13:52 +0000
Subject: [PATCH] disable i2c1

---
 kernel/drivers/pci/syscall.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/kernel/drivers/pci/syscall.c b/kernel/drivers/pci/syscall.c
index 68ac8a0..c9f0341 100644
--- a/kernel/drivers/pci/syscall.c
+++ b/kernel/drivers/pci/syscall.c
@@ -7,6 +7,7 @@
 
 #include <linux/errno.h>
 #include <linux/pci.h>
+#include <linux/security.h>
 #include <linux/syscalls.h>
 #include <linux/uaccess.h>
 #include "pci.h"
@@ -92,7 +93,8 @@
 	u32 dword;
 	int err = 0;
 
-	if (!capable(CAP_SYS_ADMIN))
+	if (!capable(CAP_SYS_ADMIN) ||
+	    security_locked_down(LOCKDOWN_PCI_ACCESS))
 		return -EPERM;
 
 	dev = pci_get_domain_bus_and_slot(0, bus, dfn);

--
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