assert macro to check null

Saket Sinha saket.sinha89 at gmail.com
Sat Aug 10 01:46:07 EDT 2013


Actually  WARN_ON macro has been defined slightly differently for each
Acrhitecture in kernel.

Can you specifically point out the definition of macro you have suggested
 and where it is defined in kernel.

Regards,
Saket Sinha


On Sat, Aug 10, 2013 at 11:05 AM, <Valdis.Kletnieks at vt.edu> wrote:

> On Sat, 10 Aug 2013 09:58:10 +0530, Saket Sinha said:
>
> > get_cred(new); where null is struct cred *new.
> >
> > I think this new might be NULL.
> >
> > Now I plan to add an assert in our macro that deals with creds, like for
> > asserting passed object isn't NULL.
> >
> > Any suggestions as to how I can do that?
>
>         WARN_ON(!new);
>
> is probably your best bet.
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20130810/8a981c5f/attachment-0001.html 


More information about the Kernelnewbies mailing list