From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
[ Upstream commit 78f3ff524fca63e7d2a57149a34ade23d2c12798 ]
The > comparison should be >= or we access one element beyond the end
of the array.
(The inst->qinsts[] array is allocated in the ti_msgmgr_probe() function
and it has ->num_valid_queues elements.)
Fixes: a2b79838b891 ("mailbox: ti-msgmgr: Add support for Secure Proxy")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: Nishanth Menon <nm@xxxxxx>
Signed-off-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/mailbox/ti-msgmgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mailbox/ti-msgmgr.c b/drivers/mailbox/ti-msgmgr.c
index 5bceafbf6699..01e9e462512b 100644
--- a/drivers/mailbox/ti-msgmgr.c
+++ b/drivers/mailbox/ti-msgmgr.c
@@ -547,7 +547,7 @@ static struct mbox_chan *ti_msgmgr_of_xlate(struct mbox_controller *mbox,
}
if (d->is_sproxy) {
- if (req_pid > d->num_valid_queues)
+ if (req_pid >= d->num_valid_queues)
goto err;
qinst = &inst->qinsts[req_pid];
return qinst->chan;
--
2.20.1
