From: Jaswinder Singh Rajput <jaswinder@kernel.org>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: Julia Lawall <julia@diku.dk>,
gregkh@suse.de, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH 5/5] staging/otus: Move a dereference below a NULL test
Date: Sat, 11 Jul 2009 10:29:24 +0000 [thread overview]
Message-ID: <1247307444.3032.2.camel@hpdv5.satnam> (raw)
In-Reply-To: <4A584A94.5010105@gmail.com>
On Sat, 2009-07-11 at 10:17 +0200, Jiri Slaby wrote:
> On 07/11/2009 09:51 AM, Julia Lawall wrote:
> > diff -u -p a/drivers/staging/otus/wwrap.c b/drivers/staging/otus/wwrap.c
> > --- a/drivers/staging/otus/wwrap.c
> > +++ b/drivers/staging/otus/wwrap.c
> > @@ -1016,12 +1016,13 @@ void kevent(struct work_struct *work)
> > {
> > struct usbdrv_private *macp > > container_of(work, struct usbdrv_private, kevent);
> > - zdev_t *dev = macp->device;
> > + zdev_t *dev;
> >
> > if (macp = NULL)
> > {
> > return;
> > }
>
> The test is rather useless here.
>
Why useless, it should be non-null before setting to dev.
But issue is why function name like kevent() is global and who is using
it.
> > + dev = macp->device;
>
>
Thanks,
--
JSR
next prev parent reply other threads:[~2009-07-11 10:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-11 7:51 [PATCH 5/5] staging/otus: Move a dereference below a NULL test Julia Lawall
2009-07-11 8:17 ` Jiri Slaby
2009-07-11 8:31 ` Julia Lawall
2009-07-11 10:29 ` Jaswinder Singh Rajput [this message]
2009-07-11 10:44 ` Jaswinder Singh Rajput
2009-07-11 11:09 ` Jiri Slaby
2009-07-13 17:00 ` Luis R. Rodriguez
2009-07-11 11:06 ` Jiri Slaby
2009-07-11 11:32 ` Julia Lawall
2009-07-11 11:58 ` Julia Lawall
2009-07-11 17:03 ` Greg KH
2009-07-11 18:28 ` Julia Lawall
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