[PATCH 2/2] thunderbolt: Fix off by one in tb_port_find_retimer()

[Dan Carpenter]

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: dacb12877d92 ("thunderbolt: Add support for on-board retimers")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/thunderbolt/retimer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thunderbolt/retimer.c b/drivers/thunderbolt/retimer.c
index 7a5d61604c8b..c44fad2b9fbb 100644
--- a/drivers/thunderbolt/retimer.c
+++ b/drivers/thunderbolt/retimer.c
@@ -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)
-- 
2.30.2