On l2cap_parse_conf_req the variable efs is only initialized if
remote_efs has been set.
CVE: CVE-2022-42895
CC: [email protected]
Reported-by: Tamás Koczka <[email protected]>
Signed-off-by: Luiz Augusto von Dentz <[email protected]>
Reviewed-by: Tedd Ho-Jeong An <[email protected]>