[PATCH 3.18 123/144] USB: hub: fix up early-exit pathway in hub_activate

3.18-stable review patch. If anyone has any objections, please let me know. -- [ Upstream commit ca5cbc8b02f9b21cc8cd1ab36668763ec34f9ee8 ] The early-exit pathway in hub_activate, added by commit e50293ef9775 ("USB: fix invalid memory access in hub_activate()") needs

[PATCH 3.18 123/144] USB: hub: fix up early-exit pathway in hub_activate

3.18-stable review patch. If anyone has any objections, please let me know. -- [ Upstream commit ca5cbc8b02f9b21cc8cd1ab36668763ec34f9ee8 ] The early-exit pathway in hub_activate, added by commit e50293ef9775 ("USB: fix invalid memory access in hub_activate()") needs