drivers: net: slip: fix NPD bug in sltxtimeout()
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 v4.14.276 by commit 3fdb033f8f8c978489c7702a4a44494b7ae63424. For more details please see the references link.