rcu: get rid of signed overflow in check_cpu_stall()
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 3 May 2011 06:40:04 +0000 (23:40 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Fri, 6 May 2011 06:16:59 +0000 (23:16 -0700)
commitbad6e1393cb505fe17747344a23666464daa3fa7
tree521dcada78d0f19400d14547381f0f3b2e38fea2
parentb554d7de8d112fca4188da3bf0d7f8b56f42fb95
rcu: get rid of signed overflow in check_cpu_stall()

Signed integer overflow is undefined by the C standard, so move
calculations to unsigned.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
kernel/rcutree.c