From: Zijun Hu Date: Mon, 23 Jun 2025 12:31:16 +0000 (+0800) Subject: Bluetooth: hci_sock: Reset cookie to zero in hci_sock_free_cookie() X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4d7936e8a5b1fa803f4a631d2da4a80fa4f0f37f;p=thirdparty%2Flinux.git Bluetooth: hci_sock: Reset cookie to zero in hci_sock_free_cookie() Reset cookie value to 0 instead of 0xffffffff in hci_sock_free_cookie() since: 0 : means cookie has not been assigned yet 0xffffffff: means cookie assignment failure Also fix generating cookie failure with usage shown below: hci_sock_gen_cookie(sk) // generate cookie hci_sock_free_cookie(sk) // free cookie hci_sock_gen_cookie(sk) // Can't generate cookie any more Signed-off-by: Zijun Hu Signed-off-by: Luiz Augusto von Dentz --- diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 428ee5c7de7ea..fc866759910d9 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -118,7 +118,7 @@ static void hci_sock_free_cookie(struct sock *sk) int id = hci_pi(sk)->cookie; if (id) { - hci_pi(sk)->cookie = 0xffffffff; + hci_pi(sk)->cookie = 0; ida_free(&sock_cookie_ida, id); } }