From: Alan Cox <alan@lxorguk.ukuu.org.uk>

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/char/rocket.c |    3 +++
 1 file changed, 3 insertions(+)

diff -puN drivers/char/rocket.c~rocket-dont-let-random-users-reset-the-controller drivers/char/rocket.c
--- a/drivers/char/rocket.c~rocket-dont-let-random-users-reset-the-controller
+++ a/drivers/char/rocket.c
@@ -1399,6 +1399,9 @@ static int reset_rm2(struct r_port *info
 {
 	int reset;
 
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
 	if (copy_from_user(&reset, arg, sizeof (int)))
 		return -EFAULT;
 	if (reset)
_