From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joe Perches <joe@perches.com>
Date: Wed, 10 Oct 2012 10:41:24 +0000
Subject: Re: [patch] isdn: fix a wrapping bug in isdn_ppp_ioctl()
Message-Id: <1349865684.2386.30.camel@joe-AO722>
List-Id: <kernel-janitors.vger.kernel.org>
References: <20121010093816.GA3669@elgon.mountain>
	 <1349864358.2386.27.camel@joe-AO722>
In-Reply-To: <1349864358.2386.27.camel@joe-AO722>
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To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Karsten Keil <isdn@linux-pingi.de>, "David S. Miller" <davem@davemloft.net>, Masanari Iida <standby24x7@gmail.com>, netdev@vger.kernel.org, kernel-janitors@vger.kernel.org

On Wed, 2012-10-10 at 03:19 -0700, Joe Perches wrote:
> diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
[]
>  	struct isdn_ppp_comp_data data;
> @@ -589,16 +589,15 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg)
>  		break;
>  	case PPPIOCGCOMPRESSORS:
>  	{
> -		unsigned long protos[8] = {0,};
> +		DECLARE_BITMAP(protos, BITS_PER_LONG * 8) = { 0, };

s/BITS_PER_LONG/sizeof(long)/duh...