[PATCH 3.19.y-ckt 017/196] rfkill: fix rfkill_fop_read wait_event usage

3.19.8-ckt16 -stable review patch. If anyone has any objections, please let me know. ---8< From: Johannes Berg commit 6736fde9672ff6717ac576e9bba2fd5f3dfec822 upstream. The code within

[PATCH 3.19.y-ckt 017/196] rfkill: fix rfkill_fop_read wait_event usage

3.19.8-ckt16 -stable review patch. If anyone has any objections, please let me know. ---8< From: Johannes Berg commit 6736fde9672ff6717ac576e9bba2fd5f3dfec822 upstream. The code within wait_event_interruptible() is called with