From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Brandeburg Subject: Re: [PATCH] net: Use kmemdup rather than duplicating its implementation Date: Fri, 18 Nov 2011 09:32:57 -0800 Message-ID: <20111118093257.000059eb@unknown> References: <1321569820.1624.307.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: "samuel@sortiz.org" , "davem@davemloft.net" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" To: Thomas Meyer Return-path: In-Reply-To: <1321569820.1624.307.camel@localhost.localdomain> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Thu, 17 Nov 2011 14:43:40 -0800 Thomas Meyer wrote: > The semantic patch that makes this change is available > in scripts/coccinelle/api/memdup.cocci. > > Signed-off-by: Thomas Meyer > --- > > 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 */ this ^^^ comment should be removed also. > - memcpy(new, orig, sizeof(struct tsap_cb)); > spin_lock_init(&new->lock); > > /* We don't need the old instance any more */