Commit 0c2ac7d4 authored Feb 25, 2020 by Madhuparna Bhowmik Committed by Marcel Holtmann Feb 28, 2020

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>

parent d7d41682

net/bluetooth/hci_core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;

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