linux-kernel - Re: [PATCH] mISDN: correctly handling failed allocation

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Message-Id: <20160104.171604.1609827563372626339.davem@davemloft.net>
Date:	Mon, 04 Jan 2016 17:16:04 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	wuninsu@...il.com
Cc:	isdn@...ux-pingi.de, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, taesoo@...ech.edu,
	yeongjin.jang@...ech.edu, insu@...ech.edu, changwoo@...ech.edu
Subject: Re: [PATCH] mISDN: correctly handling failed allocation

From: Insu Yun <wuninsu@...il.com>
Date: Tue, 29 Dec 2015 16:38:46 -0500

> Since kzalloc can be failed in memory pressure,
> NULL dereference might be happened.
> 
> Signed-off-by: Insu Yun <wuninsu@...il.com>

Sorry, this is not a correct fix.

You need to propagate an error back to the callers, and
they must act upon that error.
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