From 4129a6454dd925560bf3f46a12eb9f01cf8d5e7e Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Fri, 8 Feb 2008 04:18:45 -0800
Subject: [PATCH] rocket: don't let random users reset the controller

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/rocket.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index cbee71bab0..72f289279d 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -1399,6 +1399,9 @@ static int reset_rm2(struct r_port *info, void __user *arg)
 {
 	int reset;
 
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
 	if (copy_from_user(&reset, arg, sizeof (int)))
 		return -EFAULT;
 	if (reset)
-- 
2.39.5