[PATCH] sched/cpuacct: Check for NULL when using task_pt_regs()

[Srikar Dronamraju]

* Anton Blanchard <anton at samba.org> [2016-04-06 21:59:50]:

> Looks good, and the patch below does fix the oops for me.
> 
> Anton
> --
> 
> task_pt_regs() can return NULL for kernel threads, so add a check.
> This fixes an oops at boot on ppc64.
> 
> Signed-off-by: Anton Blanchard <anton at samba.org>

Works for me too.

Reported-and-Tested-by: Srikar Dronamraju <srikar at linux.vnet.ibm.com>

-- 
Thanks and Regards
Srikar Dronamraju