[<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