[PATCH 4.14 011/109] serial: sh-sci: prevent lockup on full TTY buffers

2018-03-16 Thread Greg Kroah-Hartman
4.14-stable review patch. If anyone has any objections, please let me know. -- From: Ulrich Hecht commit 7842055bfce4bf0170d0f61df8b2add8399697be upstream. When the TTY buffers fill up to the configured maximum, a system lockup occurs: [

[PATCH 4.14 011/109] serial: sh-sci: prevent lockup on full TTY buffers

2018-03-16 Thread Greg Kroah-Hartman
4.14-stable review patch. If anyone has any objections, please let me know. -- From: Ulrich Hecht commit 7842055bfce4bf0170d0f61df8b2add8399697be upstream. When the TTY buffers fill up to the configured maximum, a system lockup occurs: [ 598.820128] INFO: rcu_preempt