* Oleg Nesterov <o...@redhat.com> [2012-12-31 18:52:32]:

> utask->xol_vaddr is either zero or valid, remove the bogus
> IS_ERR_VALUE() check in xol_free_insn_slot().
> 
> Signed-off-by: Oleg Nesterov <o...@redhat.com>

Acked-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com>

> ---
>  kernel/events/uprobes.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
> index ad1245d..ed4fcbe 100644
> --- a/kernel/events/uprobes.c
> +++ b/kernel/events/uprobes.c
> @@ -1223,8 +1223,7 @@ static void xol_free_insn_slot(struct task_struct *tsk)
>               return;
> 
>       slot_addr = tsk->utask->xol_vaddr;
> -
> -     if (unlikely(!slot_addr || IS_ERR_VALUE(slot_addr)))
> +     if (unlikely(!slot_addr))
>               return;
> 
>       area = tsk->mm->uprobes_state.xol_area;
> -- 
> 1.5.5.1
> 

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