From 1bc273fcb0418a494c3625c74b9eaf3350328dc1 Mon Sep 17 00:00:00 2001
From: Park Ju Hyung <qkrwngud825@gmail.com>
Date: Wed, 11 Jul 2018 05:35:47 +0900
Subject: [PATCH] kernel: fake system calls on seccomp to succeed

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Signed-off-by: celtare21 <celtare21@gmail.com>
---
 kernel/sys.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/kernel/sys.c b/kernel/sys.c
index 4b949f75fe97..2302a9cda247 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2487,10 +2487,18 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
 		error = SET_ENDIAN(me, arg2);
 		break;
 	case PR_GET_SECCOMP:
+#ifdef CONFIG_SECCOMP
 		error = prctl_get_seccomp();
+#else
+		error = 0;
+#endif
 		break;
 	case PR_SET_SECCOMP:
+#ifdef CONFIG_SECCOMP
 		error = prctl_set_seccomp(arg2, (char __user *)arg3);
+#else
+		error = 0;
+#endif
 		break;
 	case PR_GET_TSC:
 		error = GET_TSC_CTL(arg2);