pinctrl: single: fix potential NULL dereference
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 v4.14.306 by commit 1177bdafe87cbe543a2dc48a9bbac265aa5864db, it was introduced in version v4.11 by commit 571aec4df5b72a80f80d1e524da8fbd7ff525c98. For more details please see the references link.