linux-kernel - Re: [PATCHv2 3/7] TAP: Tap character device creation/destroy API

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Date:   Wed, 18 Jan 2017 16:26:47 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     sainath.grandhi@...el.com
Cc:     netdev@...r.kernel.org, mahesh@...dewar.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 3/7] TAP: Tap character device creation/destroy API

From: Sainath Grandhi <sainath.grandhi@...el.com>
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.