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Commit c3f06755 authored by Johan Hedberg's avatar Johan Hedberg Committed by Gustavo Padovan
Browse files

Bluetooth: Fix deadlock with mgmt_pair_device 



The hci_conn callbacks are called with the hci_dev lock already held so
no locking should be attempted in them.

Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
Signed-off-by: default avatarGustavo F. Padovan <padovan@profusion.mobi>
parent 48264f06

net/bluetooth/mgmt.c

+0 −5
Original line number Diff line number Diff line
@@ -1331,19 +1331,14 @@ static void pairing_complete(struct pending_cmd *cmd, u8 status) 
static void pairing_complete_cb(struct hci_conn *conn, u8 status)

{

	struct pending_cmd *cmd;

	struct hci_dev *hdev = conn->hdev;



	BT_DBG("status %u", status);



	hci_dev_lock_bh(hdev);



	cmd = find_pairing(conn);

	if (!cmd)

		BT_DBG("Unable to find a pending command");

	else

		pairing_complete(cmd, status);



	hci_dev_unlock_bh(hdev);

}



static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)