netdev - RE: [PATCH v3.5 17/19] mwifiex: slight optimization of addr compare

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <477F20668A386D41ADCC57781B1F70430F534B5541@SC-VEXCH1.marvell.com>
Date:	Tue, 7 Jan 2014 18:50:28 -0800
From:	Bing Zhao <bzhao@...vell.com>
To:	Ding Tianhong <dingtianhong@...wei.com>
CC:	"John W. Linville" <linville@...driver.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	Netdev <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3.5 17/19] mwifiex: slight optimization of addr compare

Hi Ding,

> Use possibly more efficient ether_addr_equal
> instead of memcmp.

> @@ -782,8 +782,7 @@ static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
>  	}
> 
>  	/* If BSSID is diff, modify current BSS parameters */
> -	if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address,
> -		   ibss_coal_resp->bssid, ETH_ALEN)) {
> +	if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid))

Could you break the line?
If you run "checkpatch.pl" you will spot this warning.

>  	if (!IS_11N_ENABLED(priv) ||
> -	    memcmp(priv->curr_addr, rx_pkt_hdr->eth803_hdr.h_dest, ETH_ALEN)) {
> +	    !ether_addr_equal_unaligned(priv->curr_addr, rx_pkt_hdr->eth803_hdr.h_dest)) {

Also over 80 characters here.

Thanks,
Bing