rose: Fix NULL pointer dereference in rosesendframe()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.154 by commit f06186e5271b980bac03f5c97276ed0146ddc9b0, it was introduced in version v5.10.140 by commit de3deadd11987070788b48825bec4647458b988d. For more details please see the references link.