linux-kernel - Reg: Staging Driver: lustre/lustre/lov

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Message-ID: <CAFB2WuW19WdFcHDe5jxtq7v8+PL41OjBEZLYfaCEH=1axWpYEA@mail.gmail.com>
Date:	Sun, 9 Mar 2014 10:41:26 +0530
From:	Monam Agarwal <monamagarwal123@...il.com>
To:	Greg KH <gregkh@...uxfoundation.org>,
	"Dilger, Andreas" <andreas.dilger@...el.com>,
	Peng Tao <bergwolf@...il.com>, josh@...htriplett.org,
	dulshani.gunawardhana89@...il.com, joe@...ches.com,
	"Xiong, Jinshan" <jinshan.xiong@...el.com>, john.hammond@...el.com,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Reg: Staging Driver: lustre/lustre/lov

Hi,

I was going through lov_pack.c and in the function lov_unpackmd before
checking for lmm we are using the lmm_pattern value and doing
allocation. In case lmm is null use of pattern =
le32_to_cpu(lmm->lmm_pattern); will throw a null pointer exception.

I was thinking of moving the null check above but i that case what
will be the allocation pattern?

Regards,
Monam Agarwal
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