linux-kernel - Re: [PATCH] firmware: Fix dereferencing NULL pointer of fw_priv->buf->fw

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Date:	Sun, 12 Jul 2015 13:50:19 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	David Howells <dhowells@...hat.com>,
	Ming Lei <ming.lei@...onical.com>,
	Seth Forshee <seth.forshee@...onical.com>,
	Kyle McMartin <kyle@...nel.org>,
	"Luis R. Rodriguez" <mcgrof@...e.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] firmware: Fix dereferencing NULL pointer of fw_priv->buf->fw_id

On Sun, Jul 12, 2015 at 11:49 AM, Steven Rostedt <rostedt@...dmis.org> wrote:
>
> Unfortunately, this caused the following BUG:

I'm hoping you didn't waste too much time on this.

Because check commit 6f957724b94c, which fixes the NULL pointer
dereference _and_ the lack of proper locking.

             Linus
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