Commit 6706fe55 authored Jul 04, 2018 by Dan Carpenter Committed by Mauro Carvalho Chehab Aug 02, 2018

media: dvb_ca_en50221: off by one in dvb_ca_en50221_io_do_ioctl()



The > should be >= so we don't read one element beyond the end of the
ca->slot_info[] array.  The array is allocated in dvb_ca_en50221_init().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

parent 320905ba

drivers/media/dvb-core/dvb_ca_en50221.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1391,7 +1391,7 @@ static int dvb_ca_en50221_io_do_ioctl(struct file *file,
		struct dvb_ca_slot *sl;

		slot = info->num;
		if ((slot > ca->slot_count) \|\| (slot < 0)) {
		if ((slot >= ca->slot_count) \|\| (slot < 0)) {
		err = -EINVAL;
		goto out_unlock;
		}