[PATCH v2 2.6.38-rc8-tip 7/20] 7: uprobes: store/restore original instruction.
Thomas Gleixner
tglx@linutronix.de
Tue Mar 15 14:43:00 GMT 2011
On Mon, 14 Mar 2011, Srikar Dronamraju wrote:
> static int install_uprobe(struct mm_struct *mm, struct uprobe *uprobe)
> {
> - int ret = 0;
> + struct task_struct *tsk;
> + int ret = -EINVAL;
>
> - /*TODO: install breakpoint */
> - if (!ret)
> + get_task_struct(mm->owner);
Increment task ref before checking for NULL ?
> + tsk = mm->owner;
> + if (!tsk)
> + return ret;
> +
Thanks,
tglx
More information about the Systemtap
mailing list