tree 2ba23487a2a6c37cfdcd1f5c9edb31a5e0b0df22
parent 7bb67439bf6bd3782f07f1d7be1e63406453d5de
author Thomas Gleixner <tglx@linutronix.de> 1220195393 -0700
committer Arjan van de Ven <arjan@linux.intel.com> 1220675697 -0700

select: add a timespec_add_safe() function

For the select() rework, it's important to be able to add timespec
structures in an overflow-safe manner.

This patch adds a timespec_add_safe() function for this which is similar in
operation to ktime_add_safe(), but works on a struct timespec.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>