[PATCH 2/4] Staging: most: fix snprintf() is printing too much

Christian Gromm christian.gromm at microchip.com
Thu Jul 30 08:44:41 UTC 2015


On Thu, 30 Jul 2015 11:28:43 +0300
Dan Carpenter <dan.carpenter at oracle.com> wrote:

> On Thu, Jul 30, 2015 at 09:05:39AM +0200, Christian Gromm wrote:
> > On Wed, 29 Jul 2015 11:53:34 +0530
> > Sudip Mukherjee <sudipm.mukherjee at gmail.com> wrote:
> > 
> > > On Tue, Jul 28, 2015 at 05:16:09PM +0200, Christian Gromm wrote:
> > > > This patch prevents snprintf from exceeding a given buffer size.
> > > > 
> > > > Reported-by: Dan Carpenter <dan.carpenter at oracle.com>
> > > > Signed-off-by: Christian Gromm <christian.gromm at microchip.com>
> > > > ---
> > > <snip>
> > > > -		snprintf(devnod_buf, PAGE_SIZE, "%s-%s", mdev, mdev_ch);
> > > > +		snprintf(devnod_buf, sizeof(devnod_buf), "%s-%s", mdev, mdev_ch);
> > > And this gives checkpatch warning for more than 80 char.
> > 
> > I know, but decided to keep it anyway for the sake of readabilty.
> > Thanks for pointing this out.
> 
> I sometimes go over 80 characters, but it's not a good idea to do that
> in staging.  Someone is just going to send a follow on patch which adds
> a line break.  It takes too much energy to reject those patches.

Thanks for the hint. Appreciate that.

regards,
Chris

> 
> regards,
> dan carpenter
> 



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