Commit 4129a645 authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds
Browse files

rocket: don't let random users reset the controller 



Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 6df3526b

drivers/char/rocket.c

+3 −0
Original line number Diff line number Diff line
@@ -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)