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>
git-mirror · Feb 8, 2008 · 4129a64 · 4129a64
1 parent 6df3526
commit 4129a64
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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)