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Date: Tue, 25 Feb 2020 18:47:53 +0530 From: madhuparnabhowmik10@...il.com To: marcel@...tmann.org, johan.hedberg@...il.com, davem@...emloft.net, kuba@...nel.org Cc: linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, joel@...lfernandes.org, linux-kernel-mentees@...ts.linuxfoundation.org, frextrite@...il.com, paulmck@...nel.org, Madhuparna Bhowmik <madhuparnabhowmik10@...il.com> Subject: [PATCH] net: bluetooth: hci_core: Use list_for_each_entry_rcu() to traverse RCU list in RCU read-side CS From: Madhuparna Bhowmik <madhuparnabhowmik10@...il.com> 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@...il.com> --- net/bluetooth/hci_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 8ddd1bea02be..4e6d61a95b20 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -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; -- 2.17.1
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