rose: Fix NULL pointer dereference in rose_send_frame()
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 v4.14.299 by commit bbc03d74e641e824754443b908454ca9e203773e, it was introduced in version v4.14.292 by commit b8f9de195d6303f52bae16c7911f35ac14ba7e3d. For more details please see the references link.