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From: Joe Perches <joe@perches•com>
To: Chen Gang S <gang.chen@sunrus•com.cn>
Cc: marcel@holtmann•org, gustavo@padovan•org,
	johan.hedberg@gmail•com, "David S. Miller" <davem@davemloft•net>,
	linux-bluetooth@vger•kernel.org,
	"netdev@vger•kernel.org" <netdev@vger•kernel.org>
Subject: Re: [PATCH] bluetooth: hci_sock: Use type cast "(void *)" to avoid building warnings
Date: Mon, 02 Feb 2015 12:39:58 -0800	[thread overview]
Message-ID: <1422909598.30476.20.camel@perches.com> (raw)
In-Reply-To: <54CFE01D.5090309@sunrus.com.cn>

On Tue, 2015-02-03 at 04:37 +0800, Chen Gang S wrote:
> The related warning (with allmodconfig under xtensa):
[]
> diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
[]
> @@ -952,7 +952,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
>  
>  		if (((ogf > HCI_SFLT_MAX_OGF) ||
>  		     !hci_test_bit(ocf & HCI_FLT_OCF_BITS,
> -				   &hci_sec_filter.ocf_mask[ogf])) &&
> +				   (void *)&hci_sec_filter.ocf_mask[ogf])) &&
>  		    !capable(CAP_NET_RAW)) {
>  			err = -EPERM;
>  			goto drop;

Probably better to change the hci_test_bit to take const void *

static inline int hci_test_bit(int nr, void *addr)
{
	return *((__u32 *) addr + (nr >> 5)) & ((__u32) 1 << (nr & 31));
}

  reply	other threads:[~2015-02-02 20:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-02 20:37 [PATCH] bluetooth: hci_sock: Use type cast "(void *)" to avoid building warnings Chen Gang S
2015-02-02 20:39 ` Joe Perches [this message]
2015-02-02 21:07   ` Chen Gang S

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