netdev - Re: [PATCH] isdn: hfcsusb: Fix mISDN driver crash caused by transfer buffer on the stack

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Date:   Mon, 29 Jul 2019 09:46:13 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     juliana.rodrigueiro@...ra2net.com
Cc:     isdn@...ux-pingi.de, netdev@...r.kernel.org
Subject: Re: [PATCH] isdn: hfcsusb: Fix mISDN driver crash caused by
 transfer buffer on the stack

From: Juliana Rodrigueiro <juliana.rodrigueiro@...ra2net.com>
Date: Mon, 29 Jul 2019 10:20:56 +0200

> @@ -1705,12 +1705,22 @@ static int
>  setup_hfcsusb(struct hfcsusb *hw)
>  {
>  	u_char b;
> +	int ret;
> +	void *dmabuf = kmalloc(sizeof(u_char), GFP_KERNEL);

Please order these local variable declarations from longest to shortest line.

Thank you.