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Bluetooth: Use list_for_each_entry_rcu() to traverse RCU list in RCU read-side CS 

In function hci_is_blocked_key() RCU list is traversed with
list_for_each_entry() in RCU read-side CS.
Use list_for_each_entry_rcu() instead.

Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Madhuparna Bhowmik 2020-02-25 18:47:53 +05:30 committed by Marcel Holtmann
parent d7d41682ef
commit 0c2ac7d4f0
1 changed files with 1 additions and 1 deletions
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2
net/bluetooth/hci_core.c
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@ -2327,7 +2327,7 @@ bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16])
struct blocked_key *b;
rcu_read_lock();
list_for_each_entry(b, &hdev->blocked_keys, list) {
list_for_each_entry_rcu(b, &hdev->blocked_keys, list) {
if (b->type == type && !memcmp(b->val, val, sizeof(b->val))) {
blocked = true;
break;