RE: [PATCHv2 3/7] TAP: Tap character device creation/destroy API

From: Grandhi, Sainath
Date: Thu Jan 19 2017 - 18:36:42 EST




> -----Original Message-----
> From: David Miller [mailto:davem@xxxxxxxxxxxxx]
> Sent: Wednesday, January 18, 2017 1:27 PM
> To: Grandhi, Sainath <sainath.grandhi@xxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx; mahesh@xxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCHv2 3/7] TAP: Tap character device creation/destroy API
>
> From: Sainath Grandhi <sainath.grandhi@xxxxxxxxx>
> Date: Tue, 17 Jan 2017 16:03:02 -0800
>
> > +int tap_create_cdev(struct cdev *tap_cdev,
> > + dev_t *tap_major, const char *device_name) {
> > + int err;
> > +
> > + err = alloc_chrdev_region(tap_major, 0, TAP_NUM_DEVS,
> device_name);
> > +
> > + if (err)
> > + goto out1;
>
> No need to have an empty line between the alloc_chrdev_region() call and
> the "if (err)" test.
>
> > diff --git a/include/linux/if_tap.h b/include/linux/if_tap.h index
> > d887aaa..a2dfd90 100644
> > --- a/include/linux/if_tap.h
> > +++ b/include/linux/if_tap.h
> > @@ -10,7 +10,7 @@ struct file;
> > struct socket;
> > static inline struct socket *tap_get_socket(struct file *f) {
> > - return ERR_PTR(-EINVAL);
> > + return ERR_PTR(-EINVAL);
> > }
>
> Instead of having to fix up the indentation here, get it right in the first place in
> patch #2.

Will work on these two comments in next version.