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Commit 231df15f authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'tipc' 



Jon Maloy says:

====================
tipc: corrections related to tasklet job mechanism

These commits correct two bugs related to tipc' service for launching
functions for asynchronous execution in a separate tasklet.
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 388d3335 00ede977

net/tipc/core.c

+4 −3
Original line number Diff line number Diff line
@@ -113,7 +113,6 @@ err: 
static void tipc_core_stop(void)

{

	tipc_netlink_stop();

	tipc_handler_stop();

	tipc_cfg_stop();

	tipc_subscr_stop();

	tipc_nametbl_stop();
@@ -146,9 +145,10 @@ static int tipc_core_start(void) 
		res = tipc_subscr_start();

	if (!res)

		res = tipc_cfg_init();

	if (res)

	if (res) {

		tipc_handler_stop();

		tipc_core_stop();



	}

	return res;

}
@@ -178,6 +178,7 @@ static int __init tipc_init(void) 


static void __exit tipc_exit(void)

{

	tipc_handler_stop();

	tipc_core_stop_net();

	tipc_core_stop();

	pr_info("Deactivated\n");

net/tipc/handler.c

+8 −3
Original line number Diff line number Diff line
@@ -56,12 +56,13 @@ unsigned int tipc_k_signal(Handler routine, unsigned long argument) 
{

	struct queue_item *item;



	spin_lock_bh(&qitem_lock);

	if (!handler_enabled) {

		pr_err("Signal request ignored by handler\n");

		spin_unlock_bh(&qitem_lock);

		return -ENOPROTOOPT;

	}



	spin_lock_bh(&qitem_lock);

	item = kmem_cache_alloc(tipc_queue_item_cache, GFP_ATOMIC);

	if (!item) {

		pr_err("Signal queue out of memory\n");
@@ -112,10 +113,14 @@ void tipc_handler_stop(void) 
	struct list_head *l, *n;

	struct queue_item *item;



	if (!handler_enabled)

	spin_lock_bh(&qitem_lock);

	if (!handler_enabled) {

		spin_unlock_bh(&qitem_lock);

		return;



	}

	handler_enabled = 0;

	spin_unlock_bh(&qitem_lock);



	tasklet_kill(&tipc_tasklet);



	spin_lock_bh(&qitem_lock);