tree 7977c5ec7c452ed3a0036747b8d8861b742c30b3
parent bb7efee2ca63b08795ffb3cda96fc89d2e641b79
author Oleg Nesterov <oleg@redhat.com> 1303932259 +0200
committer Oleg Nesterov <oleg@redhat.com> 1303988498 +0200

signal: sys_rt_sigtimedwait: simplify the timeout logic

No functional changes, cleanup compat_sys_rt_sigtimedwait() and
sys_rt_sigtimedwait().

Calculate the timeout before we take ->siglock, this simplifies and
lessens the code. Use timespec_valid() to check the timespec.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Matt Fleming <matt.fleming@linux.intel.com>