From: Dan Carpenter <dan.carpen...@oracle.com>

commit 08fe7ae1857080f5075df5ac7fef2ecd4e289117 upstream.

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")
Cc: sta...@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Mika Westerberg <mika.westerb...@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/thunderbolt/retimer.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/thunderbolt/retimer.c
+++ b/drivers/thunderbolt/retimer.c
@@ -406,7 +406,7 @@ static struct tb_retimer *tb_port_find_r
  */
 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)


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