Commit 08fe7ae1 authored by Dan Carpenter's avatar Dan Carpenter Committed by Mika Westerberg
Browse files

thunderbolt: Fix off by one in tb_port_find_retimer() 



This array uses 1-based indexing so it corrupts memory one element
beyond of the array.  Fix it by making the array one element larger.

Fixes: dacb1287 ("thunderbolt: Add support for on-board retimers")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent bec4d7c9

drivers/thunderbolt/retimer.c

+1 −1
Original line number Diff line number Diff line
@@ -406,7 +406,7 @@ static struct tb_retimer *tb_port_find_retimer(struct tb_port *port, u8 index) 
 */

int tb_retimer_scan(struct tb_port *port)

{

	u32 status[TB_MAX_RETIMER_INDEX] = {};

	u32 status[TB_MAX_RETIMER_INDEX + 1] = {};

	int ret, i, last_idx = 0;



	if (!port->cap_usb4)