[PATCH 4.12 065/106] wireless: wext: terminate ifr name coming from userspace

4.12-stable review patch. If anyone has any objections, please let me know. -- From: "Levin, Alexander" [ Upstream commit 98de4e0ea47d106846fc0e30ce4e644283fa7fc2 ] ifr name is assumed to be a valid string by the kernel, but nothing was forcing

[PATCH 4.12 065/106] wireless: wext: terminate ifr name coming from userspace

4.12-stable review patch. If anyone has any objections, please let me know. -- From: "Levin, Alexander" [ Upstream commit 98de4e0ea47d106846fc0e30ce4e644283fa7fc2 ] ifr name is assumed to be a valid string by the kernel, but nothing was forcing username to pass a valid