netdev - Re: [PATCH v2] net: core: Prevent from dereferencing null pointer when

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Date:   Mon, 24 Apr 2017 12:02:35 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     mhjungk@...il.com
Cc:     edumazet@...gle.com, netdev@...r.kernel.org
Subject: Re: [PATCH v2] net: core: Prevent from dereferencing null pointer
 when

From: Myungho Jung <mhjungk@...il.com>
Date: Thu, 20 Apr 2017 16:59:20 -0700

> Added NULL check to make __dev_kfree_skb_irq consistent with kfree
> family of functions.
> 
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=195289
> 
> Signed-off-by: Myungho Jung <mhjungk@...il.com>
> ---
> Changes in v2:
>  - Correct category in subject

This subject line is an incomplete sentence.

This patch prevents dereferenccing a null pointer when "what"?