Re: [PATCH v2 2.6.38-rc8-tip 5/20] 5: Uprobes: register/unregister probes.

Srikar Dronamraju
2011-03-14T17:38:31Z

* Steven Rostedt <rostedt@goodmis.org> [2011-03-14 12:00:33]:

> On Mon, 2011-03-14 at 19:04 +0530, Srikar Dronamraju wrote:
> > +/* Returns 0 if it can install one probe */
> > +int register_uprobe(struct inode *inode, loff_t offset,
> > + struct uprobe_consumer *consumer)
> > +{
> > + struct prio_tree_iter iter;
> > + struct list_head tmp_list;
> > + struct address_space *mapping;
> > + struct mm_struct *mm, *tmpmm;
> > + struct vm_area_struct *vma;
> > + struct uprobe *uprobe;
> > + int ret = -1;
> > +
> > + if (!inode || !consumer || consumer->next)
> > + return -EINVAL;
> > + uprobe = uprobes_add(inode, offset);
>
> What happens if uprobes_add() returns NULL?
>
Right again, I should have added a check to see if uprobes_add
hasnt returned NULL.

--
Thanks and Regards
Srikar