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: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <1321631298.2885.119.camel@deadeye>
Date:	Fri, 18 Nov 2011 15:48:18 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Thomas Meyer <thomas@...3r.de>
CC:	<samuel@...tiz.org>, <davem@...emloft.net>,
	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net: Use kmemdup rather than duplicating its
 implementation

On Thu, 2011-11-17 at 23:43 +0100, Thomas Meyer wrote:
> The semantic patch that makes this change is available
> in scripts/coccinelle/api/memdup.cocci.
> 
> Signed-off-by: Thomas Meyer <thomas@...3r.de>
> ---

Similarly this is for the specific driver 'irttp' and not generally
'net'.

Ben.

> diff -u -p a/net/irda/irttp.c b/net/irda/irttp.c
> --- a/net/irda/irttp.c 2011-11-07 19:39:06.071138486 +0100
> +++ b/net/irda/irttp.c 2011-11-08 10:59:07.152748948 +0100
> @@ -1461,14 +1461,13 @@ struct tsap_cb *irttp_dup(struct tsap_cb
>  	}
>  
>  	/* Allocate a new instance */
> -	new = kmalloc(sizeof(struct tsap_cb), GFP_ATOMIC);
> +	new = kmemdup(orig, sizeof(struct tsap_cb), GFP_ATOMIC);
>  	if (!new) {
>  		IRDA_DEBUG(0, "%s(), unable to kmalloc\n", __func__);
>  		spin_unlock_irqrestore(&irttp->tsaps->hb_spinlock, flags);
>  		return NULL;
>  	}
>  	/* Dup */
> -	memcpy(new, orig, sizeof(struct tsap_cb));
>  	spin_lock_init(&new->lock);
>  
>  	/* We don't need the old instance any more */

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ