Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759269AbZJMJ26 (ORCPT ); Tue, 13 Oct 2009 05:28:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755316AbZJMJ25 (ORCPT ); Tue, 13 Oct 2009 05:28:57 -0400 Received: from mail09.linbit.com ([212.69.161.110]:52236 "EHLO mail09.linbit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751114AbZJMJ24 (ORCPT ); Tue, 13 Oct 2009 05:28:56 -0400 From: Philipp Reisner To: Greg KH Cc: linux-kernel@vger.kernel.org, serue@us.ibm.com, Philipp Reisner , Lars Ellenberg Subject: [PATCH 1/7] connector: Keep the skb in cn_callback_data Date: Tue, 13 Oct 2009 11:28:12 +0200 Message-Id: <1255426098-9411-2-git-send-email-philipp.reisner@linbit.com> X-Mailer: git-send-email 1.6.0.4 In-Reply-To: <1255426098-9411-1-git-send-email-philipp.reisner@linbit.com> References: <20091009222505.GA28979@kroah.com> <1255426098-9411-1-git-send-email-philipp.reisner@linbit.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3601 Lines: 103 Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg Acked-by: Evgeniy Polyakov (cherry picked from commit 5491c43845dae6c68cb4edbcf2e2dde9a32a863d) --- drivers/connector/cn_queue.c | 3 ++- drivers/connector/connector.c | 11 +++++------ include/linux/connector.h | 6 +++--- 3 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c index 408c2af..327dfde 100644 --- a/drivers/connector/cn_queue.c +++ b/drivers/connector/cn_queue.c @@ -78,8 +78,9 @@ void cn_queue_wrapper(struct work_struct *work) struct cn_callback_entry *cbq = container_of(work, struct cn_callback_entry, work); struct cn_callback_data *d = &cbq->data; + struct cn_msg *msg = NLMSG_DATA(nlmsg_hdr(d->skb)); - d->callback(d->callback_priv); + d->callback(msg); d->destruct_data(d->ddata); d->ddata = NULL; diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index 08b2500..9bb14ac 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -129,10 +129,11 @@ EXPORT_SYMBOL_GPL(cn_netlink_send); /* * Callback helper - queues work and setup destructor for given data. */ -static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), void *data) +static int cn_call_callback(struct sk_buff *skb, void (*destruct_data)(void *), void *data) { struct cn_callback_entry *__cbq, *__new_cbq; struct cn_dev *dev = &cdev; + struct cn_msg *msg = NLMSG_DATA(nlmsg_hdr(skb)); int err = -ENODEV; spin_lock_bh(&dev->cbdev->queue_lock); @@ -140,7 +141,7 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v if (cn_cb_equal(&__cbq->id.id, &msg->id)) { if (likely(!work_pending(&__cbq->work) && __cbq->data.ddata == NULL)) { - __cbq->data.callback_priv = msg; + __cbq->data.skb = skb; __cbq->data.ddata = data; __cbq->data.destruct_data = destruct_data; @@ -156,7 +157,7 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v __new_cbq = kzalloc(sizeof(struct cn_callback_entry), GFP_ATOMIC); if (__new_cbq) { d = &__new_cbq->data; - d->callback_priv = msg; + d->skb = skb; d->callback = __cbq->data.callback; d->ddata = data; d->destruct_data = destruct_data; @@ -191,7 +192,6 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v */ static void cn_rx_skb(struct sk_buff *__skb) { - struct cn_msg *msg; struct nlmsghdr *nlh; int err; struct sk_buff *skb; @@ -208,8 +208,7 @@ static void cn_rx_skb(struct sk_buff *__skb) return; } - msg = NLMSG_DATA(nlh); - err = cn_call_callback(msg, (void (*)(void *))kfree_skb, skb); + err = cn_call_callback(skb, (void (*)(void *))kfree_skb, skb); if (err < 0) kfree_skb(skb); } diff --git a/include/linux/connector.h b/include/linux/connector.h index b68d278..51b9ebd 100644 --- a/include/linux/connector.h +++ b/include/linux/connector.h @@ -134,9 +134,9 @@ struct cn_callback_id { struct cn_callback_data { void (*destruct_data) (void *); void *ddata; - - void *callback_priv; - void (*callback) (void *); + + struct sk_buff *skb; + void (*callback) (struct cn_msg *); void *free; }; -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/